Home / 5,107,175.64-7,047,825.30-2,815,286.76

Finding the Fourth Proportional to 5,107,175.64, 7,047,825.30 and 2,815,286.76

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Solution

The fourth proportional to 5,107,175.64, 7,047,825.30 and 2,815,286.76 is: 3,885,053.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,107,175.64 : 7,047,825.30 = 2,815,286.76 : x
  2. Step 2: Convert to fraction form
    5,107,175.64/7,047,825.30 = 2,815,286.76/x
  3. Step 3: Cross multiply
    5,107,175.64x = 7,047,825.30 × 2,815,286.76
  4. Step 4: Simplify right side
    5,107,175.64x = 19,841,649,253,883.03
  5. Step 5: Solve for x
    x = 19,841,649,253,883.03/5,107,175.64
  6. Step 6: Final answer
    x = 3,885,053.24

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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.