Home / 3,977,321.66-5,966,326.14-1,098,687.47

Finding the Fourth Proportional to 3,977,321.66, 5,966,326.14 and 1,098,687.47

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Solution

The fourth proportional to 3,977,321.66, 5,966,326.14 and 1,098,687.47 is: 1,648,126.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,977,321.66 : 5,966,326.14 = 1,098,687.47 : x
  2. Step 2: Convert to fraction form
    3,977,321.66/5,966,326.14 = 1,098,687.47/x
  3. Step 3: Cross multiply
    3,977,321.66x = 5,966,326.14 × 1,098,687.47
  4. Step 4: Simplify right side
    3,977,321.66x = 6,555,127,744,866.56
  5. Step 5: Solve for x
    x = 6,555,127,744,866.56/3,977,321.66
  6. Step 6: Final answer
    x = 1,648,126.13

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.