Home / 4,374,467.40-6,561,701.10-2,778,832.20

Finding the Fourth Proportional to 4,374,467.40, 6,561,701.10 and 2,778,832.20

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Solution

The fourth proportional to 4,374,467.40, 6,561,701.10 and 2,778,832.20 is: 4,168,248.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,374,467.40 : 6,561,701.10 = 2,778,832.20 : x
  2. Step 2: Convert to fraction form
    4,374,467.40/6,561,701.10 = 2,778,832.20/x
  3. Step 3: Cross multiply
    4,374,467.40x = 6,561,701.10 × 2,778,832.20
  4. Step 4: Simplify right side
    4,374,467.40x = 18,233,866,303,455.42
  5. Step 5: Solve for x
    x = 18,233,866,303,455.42/4,374,467.40
  6. Step 6: Final answer
    x = 4,168,248.30

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.