Home / 5,401,660.80-8,102,491.20-3,386,121.60

Finding the Fourth Proportional to 5,401,660.80, 8,102,491.20 and 3,386,121.60

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Solution

The fourth proportional to 5,401,660.80, 8,102,491.20 and 3,386,121.60 is: 5,079,182.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,401,660.80 : 8,102,491.20 = 3,386,121.60 : x
  2. Step 2: Convert to fraction form
    5,401,660.80/8,102,491.20 = 3,386,121.60/x
  3. Step 3: Cross multiply
    5,401,660.80x = 8,102,491.20 × 3,386,121.60
  4. Step 4: Simplify right side
    5,401,660.80x = 27,436,020,466,129.92
  5. Step 5: Solve for x
    x = 27,436,020,466,129.92/5,401,660.80
  6. Step 6: Final answer
    x = 5,079,182.40

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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.