Home / 1,987,826.40-2,981,765.52-567,928.80

Finding the Fourth Proportional to 1,987,826.40, 2,981,765.52 and 567,928.80

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Solution

The fourth proportional to 1,987,826.40, 2,981,765.52 and 567,928.80 is: 851,900.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,987,826.40 : 2,981,765.52 = 567,928.80 : x
  2. Step 2: Convert to fraction form
    1,987,826.40/2,981,765.52 = 567,928.80/x
  3. Step 3: Cross multiply
    1,987,826.40x = 2,981,765.52 × 567,928.80
  4. Step 4: Simplify right side
    1,987,826.40x = 1,693,430,513,654.98
  5. Step 5: Solve for x
    x = 1,693,430,513,654.98/1,987,826.40
  6. Step 6: Final answer
    x = 851,900.61

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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.