Home / 6,535,709.17-9,018,646.81-3,781,847.28

Finding the Fourth Proportional to 6,535,709.17, 9,018,646.81 and 3,781,847.28

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Solution

The fourth proportional to 6,535,709.17, 9,018,646.81 and 3,781,847.28 is: 5,218,583.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,535,709.17 : 9,018,646.81 = 3,781,847.28 : x
  2. Step 2: Convert to fraction form
    6,535,709.17/9,018,646.81 = 3,781,847.28/x
  3. Step 3: Cross multiply
    6,535,709.17x = 9,018,646.81 × 3,781,847.28
  4. Step 4: Simplify right side
    6,535,709.17x = 34,107,144,891,951.43
  5. Step 5: Solve for x
    x = 34,107,144,891,951.43/6,535,709.17
  6. Step 6: Final answer
    x = 5,218,583.63

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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.