Home / 2,991,911.83-4,487,867.54-748,049.83

Finding the Fourth Proportional to 2,991,911.83, 4,487,867.54 and 748,049.83

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Solution

The fourth proportional to 2,991,911.83, 4,487,867.54 and 748,049.83 is: 1,122,074.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,991,911.83 : 4,487,867.54 = 748,049.83 : x
  2. Step 2: Convert to fraction form
    2,991,911.83/4,487,867.54 = 748,049.83/x
  3. Step 3: Cross multiply
    2,991,911.83x = 4,487,867.54 × 748,049.83
  4. Step 4: Simplify right side
    2,991,911.83x = 3,357,148,538,204.79
  5. Step 5: Solve for x
    x = 3,357,148,538,204.79/2,991,911.83
  6. Step 6: Final answer
    x = 1,122,074.69

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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.