Home / 4,374,249.40-6,561,374.10-2,778,614.20

Finding the Fourth Proportional to 4,374,249.40, 6,561,374.10 and 2,778,614.20

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Solution

The fourth proportional to 4,374,249.40, 6,561,374.10 and 2,778,614.20 is: 4,167,921.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,374,249.40 : 6,561,374.10 = 2,778,614.20 : x
  2. Step 2: Convert to fraction form
    4,374,249.40/6,561,374.10 = 2,778,614.20/x
  3. Step 3: Cross multiply
    4,374,249.40x = 6,561,374.10 × 2,778,614.20
  4. Step 4: Simplify right side
    4,374,249.40x = 18,231,527,245,772.22
  5. Step 5: Solve for x
    x = 18,231,527,245,772.22/4,374,249.40
  6. Step 6: Final answer
    x = 4,167,921.30

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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.