Home / 5,164,569.29-7,747,799.61-2,130,279.86

Finding the Fourth Proportional to 5,164,569.29, 7,747,799.61 and 2,130,279.86

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Solution

The fourth proportional to 5,164,569.29, 7,747,799.61 and 2,130,279.86 is: 3,195,809.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,164,569.29 : 7,747,799.61 = 2,130,279.86 : x
  2. Step 2: Convert to fraction form
    5,164,569.29/7,747,799.61 = 2,130,279.86/x
  3. Step 3: Cross multiply
    5,164,569.29x = 7,747,799.61 × 2,130,279.86
  4. Step 4: Simplify right side
    5,164,569.29x = 16,504,981,495,856.90
  5. Step 5: Solve for x
    x = 16,504,981,495,856.90/5,164,569.29
  6. Step 6: Final answer
    x = 3,195,809.87

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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.