Home / 1,995,120.55-2,993,101.14-647,177.91

Finding the Fourth Proportional to 1,995,120.55, 2,993,101.14 and 647,177.91

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Solution

The fourth proportional to 1,995,120.55, 2,993,101.14 and 647,177.91 is: 970,903.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,995,120.55 : 2,993,101.14 = 647,177.91 : x
  2. Step 2: Convert to fraction form
    1,995,120.55/2,993,101.14 = 647,177.91/x
  3. Step 3: Cross multiply
    1,995,120.55x = 2,993,101.14 × 647,177.91
  4. Step 4: Simplify right side
    1,995,120.55x = 1,937,068,931,406.61
  5. Step 5: Solve for x
    x = 1,937,068,931,406.61/1,995,120.55
  6. Step 6: Final answer
    x = 970,903.20

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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.