Home / 2,660,425.80-3,991,221.90-863,003.40

Finding the Fourth Proportional to 2,660,425.80, 3,991,221.90 and 863,003.40

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Solution

The fourth proportional to 2,660,425.80, 3,991,221.90 and 863,003.40 is: 1,294,694.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,660,425.80 : 3,991,221.90 = 863,003.40 : x
  2. Step 2: Convert to fraction form
    2,660,425.80/3,991,221.90 = 863,003.40/x
  3. Step 3: Cross multiply
    2,660,425.80x = 3,991,221.90 × 863,003.40
  4. Step 4: Simplify right side
    2,660,425.80x = 3,444,438,069,854.46
  5. Step 5: Solve for x
    x = 3,444,438,069,854.46/2,660,425.80
  6. Step 6: Final answer
    x = 1,294,694.28

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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.