Home / 5,138,744.39-7,091,764.40-2,815,641

Finding the Fourth Proportional to 5,138,744.39, 7,091,764.40 and 2,815,641

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Solution

The fourth proportional to 5,138,744.39, 7,091,764.40 and 2,815,641 is: 3,885,747.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,138,744.39 : 7,091,764.40 = 2,815,641 : x
  2. Step 2: Convert to fraction form
    5,138,744.39/7,091,764.40 = 2,815,641/x
  3. Step 3: Cross multiply
    5,138,744.39x = 7,091,764.40 × 2,815,641
  4. Step 4: Simplify right side
    5,138,744.39x = 19,967,862,598,181.52
  5. Step 5: Solve for x
    x = 19,967,862,598,181.52/5,138,744.39
  6. Step 6: Final answer
    x = 3,885,747.39

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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.