Home / 5,427,369.85-7,489,877.52-2,979,959.49

Finding the Fourth Proportional to 5,427,369.85, 7,489,877.52 and 2,979,959.49

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Solution

The fourth proportional to 5,427,369.85, 7,489,877.52 and 2,979,959.49 is: 4,112,402.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,427,369.85 : 7,489,877.52 = 2,979,959.49 : x
  2. Step 2: Convert to fraction form
    5,427,369.85/7,489,877.52 = 2,979,959.49/x
  3. Step 3: Cross multiply
    5,427,369.85x = 7,489,877.52 × 2,979,959.49
  4. Step 4: Simplify right side
    5,427,369.85x = 22,319,531,590,961.27
  5. Step 5: Solve for x
    x = 22,319,531,590,961.27/5,427,369.85
  6. Step 6: Final answer
    x = 4,112,402.91

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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.