Home / 2,117,049.60-2,920,884.79-1,199,132.89

Finding the Fourth Proportional to 2,117,049.60, 2,920,884.79 and 1,199,132.89

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Solution

The fourth proportional to 2,117,049.60, 2,920,884.79 and 1,199,132.89 is: 1,654,438.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,117,049.60 : 2,920,884.79 = 1,199,132.89 : x
  2. Step 2: Convert to fraction form
    2,117,049.60/2,920,884.79 = 1,199,132.89/x
  3. Step 3: Cross multiply
    2,117,049.60x = 2,920,884.79 × 1,199,132.89
  4. Step 4: Simplify right side
    2,117,049.60x = 3,502,529,027,968.05
  5. Step 5: Solve for x
    x = 3,502,529,027,968.05/2,117,049.60
  6. Step 6: Final answer
    x = 1,654,438.81

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.