Home / 2,992,748.40-4,489,778.70-970,648.20

Finding the Fourth Proportional to 2,992,748.40, 4,489,778.70 and 970,648.20

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Solution

The fourth proportional to 2,992,748.40, 4,489,778.70 and 970,648.20 is: 1,456,185.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,992,748.40 : 4,489,778.70 = 970,648.20 : x
  2. Step 2: Convert to fraction form
    2,992,748.40/4,489,778.70 = 970,648.20/x
  3. Step 3: Cross multiply
    2,992,748.40x = 4,489,778.70 × 970,648.20
  4. Step 4: Simplify right side
    2,992,748.40x = 4,357,995,613,553.34
  5. Step 5: Solve for x
    x = 4,357,995,613,553.34/2,992,748.40
  6. Step 6: Final answer
    x = 1,456,185.10

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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.