Home / 1,995,152.14-2,993,148.52-647,209.49

Finding the Fourth Proportional to 1,995,152.14, 2,993,148.52 and 647,209.49

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Solution

The fourth proportional to 1,995,152.14, 2,993,148.52 and 647,209.49 is: 970,950.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,995,152.14 : 2,993,148.52 = 647,209.49 : x
  2. Step 2: Convert to fraction form
    1,995,152.14/2,993,148.52 = 647,209.49/x
  3. Step 3: Cross multiply
    1,995,152.14x = 2,993,148.52 × 647,209.49
  4. Step 4: Simplify right side
    1,995,152.14x = 1,937,194,123,887.41
  5. Step 5: Solve for x
    x = 1,937,194,123,887.41/1,995,152.14
  6. Step 6: Final answer
    x = 970,950.58

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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.