Home / 3,921,726.32-5,411,142.80-2,289,392.82

Finding the Fourth Proportional to 3,921,726.32, 5,411,142.80 and 2,289,392.82

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Solution

The fourth proportional to 3,921,726.32, 5,411,142.80 and 2,289,392.82 is: 3,158,872.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,921,726.32 : 5,411,142.80 = 2,289,392.82 : x
  2. Step 2: Convert to fraction form
    3,921,726.32/5,411,142.80 = 2,289,392.82/x
  3. Step 3: Cross multiply
    3,921,726.32x = 5,411,142.80 × 2,289,392.82
  4. Step 4: Simplify right side
    3,921,726.32x = 12,388,231,474,314.70
  5. Step 5: Solve for x
    x = 12,388,231,474,314.70/3,921,726.32
  6. Step 6: Final answer
    x = 3,158,872.00

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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.