Home / 2,965,077.90-4,442,534.51-1,990,617.12

Finding the Fourth Proportional to 2,965,077.90, 4,442,534.51 and 1,990,617.12

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Solution

The fourth proportional to 2,965,077.90, 4,442,534.51 and 1,990,617.12 is: 2,982,513.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,965,077.90 : 4,442,534.51 = 1,990,617.12 : x
  2. Step 2: Convert to fraction form
    2,965,077.90/4,442,534.51 = 1,990,617.12/x
  3. Step 3: Cross multiply
    2,965,077.90x = 4,442,534.51 × 1,990,617.12
  4. Step 4: Simplify right side
    2,965,077.90x = 8,843,385,241,843.73
  5. Step 5: Solve for x
    x = 8,843,385,241,843.73/2,965,077.90
  6. Step 6: Final answer
    x = 2,982,513.63

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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.