Home / 3,758,849.76-5,187,215.34-2,039,969.64

Finding the Fourth Proportional to 3,758,849.76, 5,187,215.34 and 2,039,969.64

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Solution

The fourth proportional to 3,758,849.76, 5,187,215.34 and 2,039,969.64 is: 2,815,159.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,758,849.76 : 5,187,215.34 = 2,039,969.64 : x
  2. Step 2: Convert to fraction form
    3,758,849.76/5,187,215.34 = 2,039,969.64/x
  3. Step 3: Cross multiply
    3,758,849.76x = 5,187,215.34 × 2,039,969.64
  4. Step 4: Simplify right side
    3,758,849.76x = 10,581,761,809,742.28
  5. Step 5: Solve for x
    x = 10,581,761,809,742.28/3,758,849.76
  6. Step 6: Final answer
    x = 2,815,159.55

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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.