Home / 2,987,761.60-4,476,296.40-1,817,149.60

Finding the Fourth Proportional to 2,987,761.60, 4,476,296.40 and 1,817,149.60

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Solution

The fourth proportional to 2,987,761.60, 4,476,296.40 and 1,817,149.60 is: 2,722,472.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,987,761.60 : 4,476,296.40 = 1,817,149.60 : x
  2. Step 2: Convert to fraction form
    2,987,761.60/4,476,296.40 = 1,817,149.60/x
  3. Step 3: Cross multiply
    2,987,761.60x = 4,476,296.40 × 1,817,149.60
  4. Step 4: Simplify right side
    2,987,761.60x = 8,134,100,212,741.44
  5. Step 5: Solve for x
    x = 8,134,100,212,741.44/2,987,761.60
  6. Step 6: Final answer
    x = 2,722,472.98

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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.