Home / 2,690,447.17-3,712,872.80-1,513,068.55

Finding the Fourth Proportional to 2,690,447.17, 3,712,872.80 and 1,513,068.55

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Solution

The fourth proportional to 2,690,447.17, 3,712,872.80 and 1,513,068.55 is: 2,088,065.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,690,447.17 : 3,712,872.80 = 1,513,068.55 : x
  2. Step 2: Convert to fraction form
    2,690,447.17/3,712,872.80 = 1,513,068.55/x
  3. Step 3: Cross multiply
    2,690,447.17x = 3,712,872.80 × 1,513,068.55
  4. Step 4: Simplify right side
    2,690,447.17x = 5,617,831,063,830.44
  5. Step 5: Solve for x
    x = 5,617,831,063,830.44/2,690,447.17
  6. Step 6: Final answer
    x = 2,088,065.93

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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.