Home / 3,177,460.20-4,766,148.76-781,325.60

Finding the Fourth Proportional to 3,177,460.20, 4,766,148.76 and 781,325.60

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Solution

The fourth proportional to 3,177,460.20, 4,766,148.76 and 781,325.60 is: 1,171,978.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,177,460.20 : 4,766,148.76 = 781,325.60 : x
  2. Step 2: Convert to fraction form
    3,177,460.20/4,766,148.76 = 781,325.60/x
  3. Step 3: Cross multiply
    3,177,460.20x = 4,766,148.76 × 781,325.60
  4. Step 4: Simplify right side
    3,177,460.20x = 3,723,914,039,596.26
  5. Step 5: Solve for x
    x = 3,723,914,039,596.26/3,177,460.20
  6. Step 6: Final answer
    x = 1,171,978.19

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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.