Home / 3,431,330.80-5,148,244.20-1,187,695.60

Finding the Fourth Proportional to 3,431,330.80, 5,148,244.20 and 1,187,695.60

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Solution

The fourth proportional to 3,431,330.80, 5,148,244.20 and 1,187,695.60 is: 1,781,975.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,431,330.80 : 5,148,244.20 = 1,187,695.60 : x
  2. Step 2: Convert to fraction form
    3,431,330.80/5,148,244.20 = 1,187,695.60/x
  3. Step 3: Cross multiply
    3,431,330.80x = 5,148,244.20 × 1,187,695.60
  4. Step 4: Simplify right side
    3,431,330.80x = 6,114,546,984,065.52
  5. Step 5: Solve for x
    x = 6,114,546,984,065.52/3,431,330.80
  6. Step 6: Final answer
    x = 1,781,975.37

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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.