Home / 1,854,261.20-2,778,166.20-854,939.60

Finding the Fourth Proportional to 1,854,261.20, 2,778,166.20 and 854,939.60

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Solution

The fourth proportional to 1,854,261.20, 2,778,166.20 and 854,939.60 is: 1,280,922.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,854,261.20 : 2,778,166.20 = 854,939.60 : x
  2. Step 2: Convert to fraction form
    1,854,261.20/2,778,166.20 = 854,939.60/x
  3. Step 3: Cross multiply
    1,854,261.20x = 2,778,166.20 × 854,939.60
  4. Step 4: Simplify right side
    1,854,261.20x = 2,375,164,299,761.52
  5. Step 5: Solve for x
    x = 2,375,164,299,761.52/1,854,261.20
  6. Step 6: Final answer
    x = 1,280,922.18

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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.