Home / 3,081,531.40-4,621,947.18-1,188,114.28

Finding the Fourth Proportional to 3,081,531.40, 4,621,947.18 and 1,188,114.28

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Solution

The fourth proportional to 3,081,531.40, 4,621,947.18 and 1,188,114.28 is: 1,782,036.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,081,531.40 : 4,621,947.18 = 1,188,114.28 : x
  2. Step 2: Convert to fraction form
    3,081,531.40/4,621,947.18 = 1,188,114.28/x
  3. Step 3: Cross multiply
    3,081,531.40x = 4,621,947.18 × 1,188,114.28
  4. Step 4: Simplify right side
    3,081,531.40x = 5,491,401,445,963.73
  5. Step 5: Solve for x
    x = 5,491,401,445,963.73/3,081,531.40
  6. Step 6: Final answer
    x = 1,782,036.50

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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.