Home / 2,989,634.50-4,484,451.75-969,568.21

Finding the Fourth Proportional to 2,989,634.50, 4,484,451.75 and 969,568.21

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Solution

The fourth proportional to 2,989,634.50, 4,484,451.75 and 969,568.21 is: 1,454,352.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,989,634.50 : 4,484,451.75 = 969,568.21 : x
  2. Step 2: Convert to fraction form
    2,989,634.50/4,484,451.75 = 969,568.21/x
  3. Step 3: Cross multiply
    2,989,634.50x = 4,484,451.75 × 969,568.21
  4. Step 4: Simplify right side
    2,989,634.50x = 4,347,981,856,078.87
  5. Step 5: Solve for x
    x = 4,347,981,856,078.87/2,989,634.50
  6. Step 6: Final answer
    x = 1,454,352.32

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Double scale
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Similar ratio
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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.