Home / 3,690,261.32-5,091,929.88-2,141,167.88

Finding the Fourth Proportional to 3,690,261.32, 5,091,929.88 and 2,141,167.88

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Solution

The fourth proportional to 3,690,261.32, 5,091,929.88 and 2,141,167.88 is: 2,954,445.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,690,261.32 : 5,091,929.88 = 2,141,167.88 : x
  2. Step 2: Convert to fraction form
    3,690,261.32/5,091,929.88 = 2,141,167.88/x
  3. Step 3: Cross multiply
    3,690,261.32x = 5,091,929.88 × 2,141,167.88
  4. Step 4: Simplify right side
    3,690,261.32x = 10,902,676,706,268.25
  5. Step 5: Solve for x
    x = 10,902,676,706,268.25/3,690,261.32
  6. Step 6: Final answer
    x = 2,954,445.70

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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.