Home / 1,645,061.24-2,265,137.79-1,439,964.38

Finding the Fourth Proportional to 1,645,061.24, 2,265,137.79 and 1,439,964.38

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Solution

The fourth proportional to 1,645,061.24, 2,265,137.79 and 1,439,964.38 is: 1,982,733.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,645,061.24 : 2,265,137.79 = 1,439,964.38 : x
  2. Step 2: Convert to fraction form
    1,645,061.24/2,265,137.79 = 1,439,964.38/x
  3. Step 3: Cross multiply
    1,645,061.24x = 2,265,137.79 × 1,439,964.38
  4. Step 4: Simplify right side
    1,645,061.24x = 3,261,717,733,391.92
  5. Step 5: Solve for x
    x = 3,261,717,733,391.92/1,645,061.24
  6. Step 6: Final answer
    x = 1,982,733.32

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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.