Home / 2,751,161.60-4,127,325.60-831,915.20

Finding the Fourth Proportional to 2,751,161.60, 4,127,325.60 and 831,915.20

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Solution

The fourth proportional to 2,751,161.60, 4,127,325.60 and 831,915.20 is: 1,248,049.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,751,161.60 : 4,127,325.60 = 831,915.20 : x
  2. Step 2: Convert to fraction form
    2,751,161.60/4,127,325.60 = 831,915.20/x
  3. Step 3: Cross multiply
    2,751,161.60x = 4,127,325.60 × 831,915.20
  4. Step 4: Simplify right side
    2,751,161.60x = 3,433,584,901,989.12
  5. Step 5: Solve for x
    x = 3,433,584,901,989.12/2,751,161.60
  6. Step 6: Final answer
    x = 1,248,049.15

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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.