Home / 3,347,981.38-5,022,618.45-1,428,864.58

Finding the Fourth Proportional to 3,347,981.38, 5,022,618.45 and 1,428,864.58

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Solution

The fourth proportional to 3,347,981.38, 5,022,618.45 and 1,428,864.58 is: 2,143,572.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,347,981.38 : 5,022,618.45 = 1,428,864.58 : x
  2. Step 2: Convert to fraction form
    3,347,981.38/5,022,618.45 = 1,428,864.58/x
  3. Step 3: Cross multiply
    3,347,981.38x = 5,022,618.45 × 1,428,864.58
  4. Step 4: Simplify right side
    3,347,981.38x = 7,176,641,602,059.50
  5. Step 5: Solve for x
    x = 7,176,641,602,059.50/3,347,981.38
  6. Step 6: Final answer
    x = 2,143,572.73

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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.