Home / 2,992,543.90-4,489,447.01-970,630.79

Finding the Fourth Proportional to 2,992,543.90, 4,489,447.01 and 970,630.79

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Solution

The fourth proportional to 2,992,543.90, 4,489,447.01 and 970,630.79 is: 1,456,150.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,992,543.90 : 4,489,447.01 = 970,630.79 : x
  2. Step 2: Convert to fraction form
    2,992,543.90/4,489,447.01 = 970,630.79/x
  3. Step 3: Cross multiply
    2,992,543.90x = 4,489,447.01 × 970,630.79
  4. Step 4: Simplify right side
    2,992,543.90x = 4,357,595,470,679.05
  5. Step 5: Solve for x
    x = 4,357,595,470,679.05/2,992,543.90
  6. Step 6: Final answer
    x = 1,456,150.89

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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.