Home / 3,200,079.68-4,800,124.13-1,306,821.12

Finding the Fourth Proportional to 3,200,079.68, 4,800,124.13 and 1,306,821.12

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Solution

The fourth proportional to 3,200,079.68, 4,800,124.13 and 1,306,821.12 is: 1,960,233.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,200,079.68 : 4,800,124.13 = 1,306,821.12 : x
  2. Step 2: Convert to fraction form
    3,200,079.68/4,800,124.13 = 1,306,821.12/x
  3. Step 3: Cross multiply
    3,200,079.68x = 4,800,124.13 × 1,306,821.12
  4. Step 4: Simplify right side
    3,200,079.68x = 6,272,903,567,171.06
  5. Step 5: Solve for x
    x = 6,272,903,567,171.06/3,200,079.68
  6. Step 6: Final answer
    x = 1,960,233.56

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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.