Home / 3,100,990.92-4,651,486.44-971,241.72

Finding the Fourth Proportional to 3,100,990.92, 4,651,486.44 and 971,241.72

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Solution

The fourth proportional to 3,100,990.92, 4,651,486.44 and 971,241.72 is: 1,456,862.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,100,990.92 : 4,651,486.44 = 971,241.72 : x
  2. Step 2: Convert to fraction form
    3,100,990.92/4,651,486.44 = 971,241.72/x
  3. Step 3: Cross multiply
    3,100,990.92x = 4,651,486.44 × 971,241.72
  4. Step 4: Simplify right side
    3,100,990.92x = 4,517,717,690,542.28
  5. Step 5: Solve for x
    x = 4,517,717,690,542.28/3,100,990.92
  6. Step 6: Final answer
    x = 1,456,862.60

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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.