Home / 3,438,008.20-5,151,107.40-1,637,013.70

Finding the Fourth Proportional to 3,438,008.20, 5,151,107.40 and 1,637,013.70

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Solution

The fourth proportional to 3,438,008.20, 5,151,107.40 and 1,637,013.70 is: 2,452,708.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,438,008.20 : 5,151,107.40 = 1,637,013.70 : x
  2. Step 2: Convert to fraction form
    3,438,008.20/5,151,107.40 = 1,637,013.70/x
  3. Step 3: Cross multiply
    3,438,008.20x = 5,151,107.40 × 1,637,013.70
  4. Step 4: Simplify right side
    3,438,008.20x = 8,432,433,383,971.38
  5. Step 5: Solve for x
    x = 8,432,433,383,971.38/3,438,008.20
  6. Step 6: Final answer
    x = 2,452,708.92

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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.