Home / 3,120,217.92-4,301,737.20-2,477,764.80

Finding the Fourth Proportional to 3,120,217.92, 4,301,737.20 and 2,477,764.80

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Solution

The fourth proportional to 3,120,217.92, 4,301,737.20 and 2,477,764.80 is: 3,416,009.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,120,217.92 : 4,301,737.20 = 2,477,764.80 : x
  2. Step 2: Convert to fraction form
    3,120,217.92/4,301,737.20 = 2,477,764.80/x
  3. Step 3: Cross multiply
    3,120,217.92x = 4,301,737.20 × 2,477,764.80
  4. Step 4: Simplify right side
    3,120,217.92x = 10,658,693,013,010.56
  5. Step 5: Solve for x
    x = 10,658,693,013,010.56/3,120,217.92
  6. Step 6: Final answer
    x = 3,416,009.17

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.