Home / 2,670,046.20-4,002,347.70-1,320,132.60

Finding the Fourth Proportional to 2,670,046.20, 4,002,347.70 and 1,320,132.60

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Solution

The fourth proportional to 2,670,046.20, 4,002,347.70 and 1,320,132.60 is: 1,978,853.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,670,046.20 : 4,002,347.70 = 1,320,132.60 : x
  2. Step 2: Convert to fraction form
    2,670,046.20/4,002,347.70 = 1,320,132.60/x
  3. Step 3: Cross multiply
    2,670,046.20x = 4,002,347.70 × 1,320,132.60
  4. Step 4: Simplify right side
    2,670,046.20x = 5,283,629,675,305.02
  5. Step 5: Solve for x
    x = 5,283,629,675,305.02/2,670,046.20
  6. Step 6: Final answer
    x = 1,978,853.28

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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.