Home / 1,992,023.20-2,988,034.80-496,115.20

Finding the Fourth Proportional to 1,992,023.20, 2,988,034.80 and 496,115.20

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Solution

The fourth proportional to 1,992,023.20, 2,988,034.80 and 496,115.20 is: 744,172.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,992,023.20 : 2,988,034.80 = 496,115.20 : x
  2. Step 2: Convert to fraction form
    1,992,023.20/2,988,034.80 = 496,115.20/x
  3. Step 3: Cross multiply
    1,992,023.20x = 2,988,034.80 × 496,115.20
  4. Step 4: Simplify right side
    1,992,023.20x = 1,482,409,482,408.96
  5. Step 5: Solve for x
    x = 1,482,409,482,408.96/1,992,023.20
  6. Step 6: Final answer
    x = 744,172.80

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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.