Home / 2,690,445.17-3,712,870.04-1,513,066.55

Finding the Fourth Proportional to 2,690,445.17, 3,712,870.04 and 1,513,066.55

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Solution

The fourth proportional to 2,690,445.17, 3,712,870.04 and 1,513,066.55 is: 2,088,063.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,690,445.17 : 3,712,870.04 = 1,513,066.55 : x
  2. Step 2: Convert to fraction form
    2,690,445.17/3,712,870.04 = 1,513,066.55/x
  3. Step 3: Cross multiply
    2,690,445.17x = 3,712,870.04 × 1,513,066.55
  4. Step 4: Simplify right side
    2,690,445.17x = 5,617,819,447,239.48
  5. Step 5: Solve for x
    x = 5,617,819,447,239.48/2,690,445.17
  6. Step 6: Final answer
    x = 2,088,063.16

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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.