Home / 2,308,839.77-3,186,203.20-1,290,244.52

Finding the Fourth Proportional to 2,308,839.77, 3,186,203.20 and 1,290,244.52

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Solution

The fourth proportional to 2,308,839.77, 3,186,203.20 and 1,290,244.52 is: 1,780,539.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,308,839.77 : 3,186,203.20 = 1,290,244.52 : x
  2. Step 2: Convert to fraction form
    2,308,839.77/3,186,203.20 = 1,290,244.52/x
  3. Step 3: Cross multiply
    2,308,839.77x = 3,186,203.20 × 1,290,244.52
  4. Step 4: Simplify right side
    2,308,839.77x = 4,110,981,218,406.46
  5. Step 5: Solve for x
    x = 4,110,981,218,406.46/2,308,839.77
  6. Step 6: Final answer
    x = 1,780,539.85

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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.