Home / 5,739,178.12-7,919,702.47-3,160,858.88

Finding the Fourth Proportional to 5,739,178.12, 7,919,702.47 and 3,160,858.88

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Solution

The fourth proportional to 5,739,178.12, 7,919,702.47 and 3,160,858.88 is: 4,361,785.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,739,178.12 : 7,919,702.47 = 3,160,858.88 : x
  2. Step 2: Convert to fraction form
    5,739,178.12/7,919,702.47 = 3,160,858.88/x
  3. Step 3: Cross multiply
    5,739,178.12x = 7,919,702.47 × 3,160,858.88
  4. Step 4: Simplify right side
    5,739,178.12x = 25,033,061,903,007.76
  5. Step 5: Solve for x
    x = 25,033,061,903,007.76/5,739,178.12
  6. Step 6: Final answer
    x = 4,361,785.15

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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.