Home / 3,197,479.20-4,792,136.40-1,302,079.20

Finding the Fourth Proportional to 3,197,479.20, 4,792,136.40 and 1,302,079.20

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Solution

The fourth proportional to 3,197,479.20, 4,792,136.40 and 1,302,079.20 is: 1,951,456.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,197,479.20 : 4,792,136.40 = 1,302,079.20 : x
  2. Step 2: Convert to fraction form
    3,197,479.20/4,792,136.40 = 1,302,079.20/x
  3. Step 3: Cross multiply
    3,197,479.20x = 4,792,136.40 × 1,302,079.20
  4. Step 4: Simplify right side
    3,197,479.20x = 6,239,741,130,002.88
  5. Step 5: Solve for x
    x = 6,239,741,130,002.88/3,197,479.20
  6. Step 6: Final answer
    x = 1,951,456.36

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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.