Home / 1,941,321.32-2,679,032.38-1,126,007.72

Finding the Fourth Proportional to 1,941,321.32, 2,679,032.38 and 1,126,007.72

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Solution

The fourth proportional to 1,941,321.32, 2,679,032.38 and 1,126,007.72 is: 1,553,895.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,941,321.32 : 2,679,032.38 = 1,126,007.72 : x
  2. Step 2: Convert to fraction form
    1,941,321.32/2,679,032.38 = 1,126,007.72/x
  3. Step 3: Cross multiply
    1,941,321.32x = 2,679,032.38 × 1,126,007.72
  4. Step 4: Simplify right side
    1,941,321.32x = 3,016,611,142,009.97
  5. Step 5: Solve for x
    x = 3,016,611,142,009.97/1,941,321.32
  6. Step 6: Final answer
    x = 1,553,895.85

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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.