Home / 2,961,640.80-4,442,461.20-831,794.40

Finding the Fourth Proportional to 2,961,640.80, 4,442,461.20 and 831,794.40

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Solution

The fourth proportional to 2,961,640.80, 4,442,461.20 and 831,794.40 is: 1,247,691.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,961,640.80 : 4,442,461.20 = 831,794.40 : x
  2. Step 2: Convert to fraction form
    2,961,640.80/4,442,461.20 = 831,794.40/x
  3. Step 3: Cross multiply
    2,961,640.80x = 4,442,461.20 × 831,794.40
  4. Step 4: Simplify right side
    2,961,640.80x = 3,695,214,348,377.28
  5. Step 5: Solve for x
    x = 3,695,214,348,377.28/2,961,640.80
  6. Step 6: Final answer
    x = 1,247,691.60

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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.