Home / 3,431,946.80-5,147,920.20-873,156.80

Finding the Fourth Proportional to 3,431,946.80, 5,147,920.20 and 873,156.80

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Solution

The fourth proportional to 3,431,946.80, 5,147,920.20 and 873,156.80 is: 1,309,735.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,431,946.80 : 5,147,920.20 = 873,156.80 : x
  2. Step 2: Convert to fraction form
    3,431,946.80/5,147,920.20 = 873,156.80/x
  3. Step 3: Cross multiply
    3,431,946.80x = 5,147,920.20 × 873,156.80
  4. Step 4: Simplify right side
    3,431,946.80x = 4,494,941,528,487.36
  5. Step 5: Solve for x
    x = 4,494,941,528,487.36/3,431,946.80
  6. Step 6: Final answer
    x = 1,309,735.20

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Similar ratio
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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.