Home / 2,961,489.74-4,442,505.69-831,559.50

Finding the Fourth Proportional to 2,961,489.74, 4,442,505.69 and 831,559.50

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Solution

The fourth proportional to 2,961,489.74, 4,442,505.69 and 831,559.50 is: 1,247,415.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,961,489.74 : 4,442,505.69 = 831,559.50 : x
  2. Step 2: Convert to fraction form
    2,961,489.74/4,442,505.69 = 831,559.50/x
  3. Step 3: Cross multiply
    2,961,489.74x = 4,442,505.69 × 831,559.50
  4. Step 4: Simplify right side
    2,961,489.74x = 3,694,207,810,323.56
  5. Step 5: Solve for x
    x = 3,694,207,810,323.56/2,961,489.74
  6. Step 6: Final answer
    x = 1,247,415.37

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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.