Home / 3,891,681.76-5,370,489.31-2,149,470.59

Finding the Fourth Proportional to 3,891,681.76, 5,370,489.31 and 2,149,470.59

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Solution

The fourth proportional to 3,891,681.76, 5,370,489.31 and 2,149,470.59 is: 2,966,252.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,891,681.76 : 5,370,489.31 = 2,149,470.59 : x
  2. Step 2: Convert to fraction form
    3,891,681.76/5,370,489.31 = 2,149,470.59/x
  3. Step 3: Cross multiply
    3,891,681.76x = 5,370,489.31 × 2,149,470.59
  4. Step 4: Simplify right side
    3,891,681.76x = 11,543,708,793,528.27
  5. Step 5: Solve for x
    x = 11,543,708,793,528.27/3,891,681.76
  6. Step 6: Final answer
    x = 2,966,252.00

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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.