Home / 2,915,850.78-4,023,875.79-1,626,691.17

Finding the Fourth Proportional to 2,915,850.78, 4,023,875.79 and 1,626,691.17

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Solution

The fourth proportional to 2,915,850.78, 4,023,875.79 and 1,626,691.17 is: 2,244,834.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,915,850.78 : 4,023,875.79 = 1,626,691.17 : x
  2. Step 2: Convert to fraction form
    2,915,850.78/4,023,875.79 = 1,626,691.17/x
  3. Step 3: Cross multiply
    2,915,850.78x = 4,023,875.79 × 1,626,691.17
  4. Step 4: Simplify right side
    2,915,850.78x = 6,545,603,216,769.78
  5. Step 5: Solve for x
    x = 6,545,603,216,769.78/2,915,850.78
  6. Step 6: Final answer
    x = 2,244,834.77

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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.