Home / 3,142,989.47-4,337,355.80-1,784,872.19

Finding the Fourth Proportional to 3,142,989.47, 4,337,355.80 and 1,784,872.19

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Solution

The fourth proportional to 3,142,989.47, 4,337,355.80 and 1,784,872.19 is: 2,463,140.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,142,989.47 : 4,337,355.80 = 1,784,872.19 : x
  2. Step 2: Convert to fraction form
    3,142,989.47/4,337,355.80 = 1,784,872.19/x
  3. Step 3: Cross multiply
    3,142,989.47x = 4,337,355.80 × 1,784,872.19
  4. Step 4: Simplify right side
    3,142,989.47x = 7,741,625,745,555.20
  5. Step 5: Solve for x
    x = 7,741,625,745,555.20/3,142,989.47
  6. Step 6: Final answer
    x = 2,463,140.85

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.