Home / 3,670,781.60-5,506,172.40-2,155,190.60

Finding the Fourth Proportional to 3,670,781.60, 5,506,172.40 and 2,155,190.60

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Solution

The fourth proportional to 3,670,781.60, 5,506,172.40 and 2,155,190.60 is: 3,232,785.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,670,781.60 : 5,506,172.40 = 2,155,190.60 : x
  2. Step 2: Convert to fraction form
    3,670,781.60/5,506,172.40 = 2,155,190.60/x
  3. Step 3: Cross multiply
    3,670,781.60x = 5,506,172.40 × 2,155,190.60
  4. Step 4: Simplify right side
    3,670,781.60x = 11,866,850,998,459.44
  5. Step 5: Solve for x
    x = 11,866,850,998,459.44/3,670,781.60
  6. Step 6: Final answer
    x = 3,232,785.90

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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.