Home / 3,847,179.78-5,772,359.21-1,687,087.17

Finding the Fourth Proportional to 3,847,179.78, 5,772,359.21 and 1,687,087.17

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Solution

The fourth proportional to 3,847,179.78, 5,772,359.21 and 1,687,087.17 is: 2,531,327.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,847,179.78 : 5,772,359.21 = 1,687,087.17 : x
  2. Step 2: Convert to fraction form
    3,847,179.78/5,772,359.21 = 1,687,087.17/x
  3. Step 3: Cross multiply
    3,847,179.78x = 5,772,359.21 × 1,687,087.17
  4. Step 4: Simplify right side
    3,847,179.78x = 9,738,473,155,386.90
  5. Step 5: Solve for x
    x = 9,738,473,155,386.90/3,847,179.78
  6. Step 6: Final answer
    x = 2,531,327.81

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.