Home / 3,911,478.46-5,398,391.64-2,169,535.29

Finding the Fourth Proportional to 3,911,478.46, 5,398,391.64 and 2,169,535.29

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Solution

The fourth proportional to 3,911,478.46, 5,398,391.64 and 2,169,535.29 is: 2,994,264.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,911,478.46 : 5,398,391.64 = 2,169,535.29 : x
  2. Step 2: Convert to fraction form
    3,911,478.46/5,398,391.64 = 2,169,535.29/x
  3. Step 3: Cross multiply
    3,911,478.46x = 5,398,391.64 × 2,169,535.29
  4. Step 4: Simplify right side
    3,911,478.46x = 11,712,001,172,220.97
  5. Step 5: Solve for x
    x = 11,712,001,172,220.97/3,911,478.46
  6. Step 6: Final answer
    x = 2,994,264.52

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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.