Home / 4,981,569.30-7,472,353.95-1,387,890.90

Finding the Fourth Proportional to 4,981,569.30, 7,472,353.95 and 1,387,890.90

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Solution

The fourth proportional to 4,981,569.30, 7,472,353.95 and 1,387,890.90 is: 2,081,836.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,981,569.30 : 7,472,353.95 = 1,387,890.90 : x
  2. Step 2: Convert to fraction form
    4,981,569.30/7,472,353.95 = 1,387,890.90/x
  3. Step 3: Cross multiply
    4,981,569.30x = 7,472,353.95 × 1,387,890.90
  4. Step 4: Simplify right side
    4,981,569.30x = 10,370,812,048,784.05
  5. Step 5: Solve for x
    x = 10,370,812,048,784.05/4,981,569.30
  6. Step 6: Final answer
    x = 2,081,836.35

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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.