Home / 5,722,462.31-8,582,361.81-2,129,921.15

Finding the Fourth Proportional to 5,722,462.31, 8,582,361.81 and 2,129,921.15

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Solution

The fourth proportional to 5,722,462.31, 8,582,361.81 and 2,129,921.15 is: 3,194,386.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,722,462.31 : 8,582,361.81 = 2,129,921.15 : x
  2. Step 2: Convert to fraction form
    5,722,462.31/8,582,361.81 = 2,129,921.15/x
  3. Step 3: Cross multiply
    5,722,462.31x = 8,582,361.81 × 2,129,921.15
  4. Step 4: Simplify right side
    5,722,462.31x = 18,279,753,936,071.28
  5. Step 5: Solve for x
    x = 18,279,753,936,071.28/5,722,462.31
  6. Step 6: Final answer
    x = 3,194,386.08

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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.