Home / 5,138,350.46-7,090,591.11-2,815,239.80

Finding the Fourth Proportional to 5,138,350.46, 7,090,591.11 and 2,815,239.80

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Solution

The fourth proportional to 5,138,350.46, 7,090,591.11 and 2,815,239.80 is: 3,884,848.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,138,350.46 : 7,090,591.11 = 2,815,239.80 : x
  2. Step 2: Convert to fraction form
    5,138,350.46/7,090,591.11 = 2,815,239.80/x
  3. Step 3: Cross multiply
    5,138,350.46x = 7,090,591.11 × 2,815,239.80
  4. Step 4: Simplify right side
    5,138,350.46x = 19,961,714,298,398.18
  5. Step 5: Solve for x
    x = 19,961,714,298,398.18/5,138,350.46
  6. Step 6: Final answer
    x = 3,884,848.74

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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.