Home / 3,487,189.01-5,230,686.80-928,425.90

Finding the Fourth Proportional to 3,487,189.01, 5,230,686.80 and 928,425.90

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Solution

The fourth proportional to 3,487,189.01, 5,230,686.80 and 928,425.90 is: 1,392,613.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,487,189.01 : 5,230,686.80 = 928,425.90 : x
  2. Step 2: Convert to fraction form
    3,487,189.01/5,230,686.80 = 928,425.90/x
  3. Step 3: Cross multiply
    3,487,189.01x = 5,230,686.80 × 928,425.90
  4. Step 4: Simplify right side
    3,487,189.01x = 4,856,305,095,265.99
  5. Step 5: Solve for x
    x = 4,856,305,095,265.99/3,487,189.01
  6. Step 6: Final answer
    x = 1,392,613.10

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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.