Home / 2,320,292.32-3,201,839.76-1,287,852.64

Finding the Fourth Proportional to 2,320,292.32, 3,201,839.76 and 1,287,852.64

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Solution

The fourth proportional to 2,320,292.32, 3,201,839.76 and 1,287,852.64 is: 1,777,145.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,320,292.32 : 3,201,839.76 = 1,287,852.64 : x
  2. Step 2: Convert to fraction form
    2,320,292.32/3,201,839.76 = 1,287,852.64/x
  3. Step 3: Cross multiply
    2,320,292.32x = 3,201,839.76 × 1,287,852.64
  4. Step 4: Simplify right side
    2,320,292.32x = 4,123,497,787,772.97
  5. Step 5: Solve for x
    x = 4,123,497,787,772.97/2,320,292.32
  6. Step 6: Final answer
    x = 1,777,145.82

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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.