Home / 1,995,200.10-2,993,237.55-647,133.30

Finding the Fourth Proportional to 1,995,200.10, 2,993,237.55 and 647,133.30

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Solution

The fourth proportional to 1,995,200.10, 2,993,237.55 and 647,133.30 is: 970,841.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,995,200.10 : 2,993,237.55 = 647,133.30 : x
  2. Step 2: Convert to fraction form
    1,995,200.10/2,993,237.55 = 647,133.30/x
  3. Step 3: Cross multiply
    1,995,200.10x = 2,993,237.55 × 647,133.30
  4. Step 4: Simplify right side
    1,995,200.10x = 1,937,023,693,415.42
  5. Step 5: Solve for x
    x = 1,937,023,693,415.42/1,995,200.10
  6. Step 6: Final answer
    x = 970,841.82

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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.