Home / 4,090,409.28-5,644,792.80-2,279,689.92

Finding the Fourth Proportional to 4,090,409.28, 5,644,792.80 and 2,279,689.92

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Solution

The fourth proportional to 4,090,409.28, 5,644,792.80 and 2,279,689.92 is: 3,145,987.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,090,409.28 : 5,644,792.80 = 2,279,689.92 : x
  2. Step 2: Convert to fraction form
    4,090,409.28/5,644,792.80 = 2,279,689.92/x
  3. Step 3: Cross multiply
    4,090,409.28x = 5,644,792.80 × 2,279,689.92
  4. Step 4: Simplify right side
    4,090,409.28x = 12,868,377,246,648.57
  5. Step 5: Solve for x
    x = 12,868,377,246,648.57/4,090,409.28
  6. Step 6: Final answer
    x = 3,145,987.69

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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.