Home / 3,894,643.59-5,374,624.50-2,128,577.42

Finding the Fourth Proportional to 3,894,643.59, 5,374,624.50 and 2,128,577.42

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Solution

The fourth proportional to 3,894,643.59, 5,374,624.50 and 2,128,577.42 is: 2,937,445.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,894,643.59 : 5,374,624.50 = 2,128,577.42 : x
  2. Step 2: Convert to fraction form
    3,894,643.59/5,374,624.50 = 2,128,577.42/x
  3. Step 3: Cross multiply
    3,894,643.59x = 5,374,624.50 × 2,128,577.42
  4. Step 4: Simplify right side
    3,894,643.59x = 11,440,304,365,115.35
  5. Step 5: Solve for x
    x = 11,440,304,365,115.35/3,894,643.59
  6. Step 6: Final answer
    x = 2,937,445.78

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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.