Home / 2,872,728.18-3,964,644.23-2,146,314.92

Finding the Fourth Proportional to 2,872,728.18, 3,964,644.23 and 2,146,314.92

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Solution

The fourth proportional to 2,872,728.18, 3,964,644.23 and 2,146,314.92 is: 2,962,123.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,872,728.18 : 3,964,644.23 = 2,146,314.92 : x
  2. Step 2: Convert to fraction form
    2,872,728.18/3,964,644.23 = 2,146,314.92/x
  3. Step 3: Cross multiply
    2,872,728.18x = 3,964,644.23 × 2,146,314.92
  4. Step 4: Simplify right side
    2,872,728.18x = 8,509,375,032,786.12
  5. Step 5: Solve for x
    x = 8,509,375,032,786.12/2,872,728.18
  6. Step 6: Final answer
    x = 2,962,123.28

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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.