Home / 3,977,608.60-5,489,098.14-2,166,772.60

Finding the Fourth Proportional to 3,977,608.60, 5,489,098.14 and 2,166,772.60

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Solution

The fourth proportional to 3,977,608.60, 5,489,098.14 and 2,166,772.60 is: 2,990,145.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,977,608.60 : 5,489,098.14 = 2,166,772.60 : x
  2. Step 2: Convert to fraction form
    3,977,608.60/5,489,098.14 = 2,166,772.60/x
  3. Step 3: Cross multiply
    3,977,608.60x = 5,489,098.14 × 2,166,772.60
  4. Step 4: Simplify right side
    3,977,608.60x = 11,893,627,448,462.96
  5. Step 5: Solve for x
    x = 11,893,627,448,462.96/3,977,608.60
  6. Step 6: Final answer
    x = 2,990,145.25

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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.