Home / 5,321,125.60-7,982,854.80-1,726,280.80

Finding the Fourth Proportional to 5,321,125.60, 7,982,854.80 and 1,726,280.80

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Solution

The fourth proportional to 5,321,125.60, 7,982,854.80 and 1,726,280.80 is: 2,589,799.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,321,125.60 : 7,982,854.80 = 1,726,280.80 : x
  2. Step 2: Convert to fraction form
    5,321,125.60/7,982,854.80 = 1,726,280.80/x
  3. Step 3: Cross multiply
    5,321,125.60x = 7,982,854.80 × 1,726,280.80
  4. Step 4: Simplify right side
    5,321,125.60x = 13,780,648,970,427.84
  5. Step 5: Solve for x
    x = 13,780,648,970,427.84/5,321,125.60
  6. Step 6: Final answer
    x = 2,589,799.60

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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.