Home / 3,888,691.30-5,431,570.70-3,888,691.30

Finding the Fourth Proportional to 3,888,691.30, 5,431,570.70 and 3,888,691.30

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Solution

The fourth proportional to 3,888,691.30, 5,431,570.70 and 3,888,691.30 is: 5,431,570.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,888,691.30 : 5,431,570.70 = 3,888,691.30 : x
  2. Step 2: Convert to fraction form
    3,888,691.30/5,431,570.70 = 3,888,691.30/x
  3. Step 3: Cross multiply
    3,888,691.30x = 5,431,570.70 × 3,888,691.30
  4. Step 4: Simplify right side
    3,888,691.30x = 21,121,701,726,424.91
  5. Step 5: Solve for x
    x = 21,121,701,726,424.91/3,888,691.30
  6. Step 6: Final answer
    x = 5,431,570.70

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.