Home / 3,552,131.20-5,328,196.80-2,418,390.40

Finding the Fourth Proportional to 3,552,131.20, 5,328,196.80 and 2,418,390.40

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Solution

The fourth proportional to 3,552,131.20, 5,328,196.80 and 2,418,390.40 is: 3,627,585.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,552,131.20 : 5,328,196.80 = 2,418,390.40 : x
  2. Step 2: Convert to fraction form
    3,552,131.20/5,328,196.80 = 2,418,390.40/x
  3. Step 3: Cross multiply
    3,552,131.20x = 5,328,196.80 × 2,418,390.40
  4. Step 4: Simplify right side
    3,552,131.20x = 12,885,659,990,430.72
  5. Step 5: Solve for x
    x = 12,885,659,990,430.72/3,552,131.20
  6. Step 6: Final answer
    x = 3,627,585.60

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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.