Home / 2,874,257.60-4,310,200.16-981,151.68

Finding the Fourth Proportional to 2,874,257.60, 4,310,200.16 and 981,151.68

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Solution

The fourth proportional to 2,874,257.60, 4,310,200.16 and 981,151.68 is: 1,471,322.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,874,257.60 : 4,310,200.16 = 981,151.68 : x
  2. Step 2: Convert to fraction form
    2,874,257.60/4,310,200.16 = 981,151.68/x
  3. Step 3: Cross multiply
    2,874,257.60x = 4,310,200.16 × 981,151.68
  4. Step 4: Simplify right side
    2,874,257.60x = 4,228,960,128,120.27
  5. Step 5: Solve for x
    x = 4,228,960,128,120.27/2,874,257.60
  6. Step 6: Final answer
    x = 1,471,322.59

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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.