Home / 3,965,704.80-5,472,707.28-2,154,868.80

Finding the Fourth Proportional to 3,965,704.80, 5,472,707.28 and 2,154,868.80

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Solution

The fourth proportional to 3,965,704.80, 5,472,707.28 and 2,154,868.80 is: 2,973,737.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,965,704.80 : 5,472,707.28 = 2,154,868.80 : x
  2. Step 2: Convert to fraction form
    3,965,704.80/5,472,707.28 = 2,154,868.80/x
  3. Step 3: Cross multiply
    3,965,704.80x = 5,472,707.28 × 2,154,868.80
  4. Step 4: Simplify right side
    3,965,704.80x = 11,792,966,169,204.86
  5. Step 5: Solve for x
    x = 11,792,966,169,204.86/3,965,704.80
  6. Step 6: Final answer
    x = 2,973,737.78

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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.