Home / 5,185,177.98-7,155,546.24-2,862,071.28

Finding the Fourth Proportional to 5,185,177.98, 7,155,546.24 and 2,862,071.28

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Solution

The fourth proportional to 5,185,177.98, 7,155,546.24 and 2,862,071.28 is: 3,949,658.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,185,177.98 : 7,155,546.24 = 2,862,071.28 : x
  2. Step 2: Convert to fraction form
    5,185,177.98/7,155,546.24 = 2,862,071.28/x
  3. Step 3: Cross multiply
    5,185,177.98x = 7,155,546.24 × 2,862,071.28
  4. Step 4: Simplify right side
    5,185,177.98x = 20,479,683,386,215.99
  5. Step 5: Solve for x
    x = 20,479,683,386,215.99/5,185,177.98
  6. Step 6: Final answer
    x = 3,949,658.71

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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.