Home / 3,663,949.79-5,056,153.15-2,115,159.20

Finding the Fourth Proportional to 3,663,949.79, 5,056,153.15 and 2,115,159.20

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Solution

The fourth proportional to 3,663,949.79, 5,056,153.15 and 2,115,159.20 is: 2,918,863.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,663,949.79 : 5,056,153.15 = 2,115,159.20 : x
  2. Step 2: Convert to fraction form
    3,663,949.79/5,056,153.15 = 2,115,159.20/x
  3. Step 3: Cross multiply
    3,663,949.79x = 5,056,153.15 × 2,115,159.20
  4. Step 4: Simplify right side
    3,663,949.79x = 10,694,568,851,831.48
  5. Step 5: Solve for x
    x = 10,694,568,851,831.48/3,663,949.79
  6. Step 6: Final answer
    x = 2,918,863.38

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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.