Home / 3,722,442.70-5,582,999.85-990,005.71

Finding the Fourth Proportional to 3,722,442.70, 5,582,999.85 and 990,005.71

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Solution

The fourth proportional to 3,722,442.70, 5,582,999.85 and 990,005.71 is: 1,484,831.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,722,442.70 : 5,582,999.85 = 990,005.71 : x
  2. Step 2: Convert to fraction form
    3,722,442.70/5,582,999.85 = 990,005.71/x
  3. Step 3: Cross multiply
    3,722,442.70x = 5,582,999.85 × 990,005.71
  4. Step 4: Simplify right side
    3,722,442.70x = 5,527,201,730,429.14
  5. Step 5: Solve for x
    x = 5,527,201,730,429.14/3,722,442.70
  6. Step 6: Final answer
    x = 1,484,831.92

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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.