Home / 3,120,419.60-4,680,629.40-2,616,534.80

Finding the Fourth Proportional to 3,120,419.60, 4,680,629.40 and 2,616,534.80

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Solution

The fourth proportional to 3,120,419.60, 4,680,629.40 and 2,616,534.80 is: 3,924,802.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,120,419.60 : 4,680,629.40 = 2,616,534.80 : x
  2. Step 2: Convert to fraction form
    3,120,419.60/4,680,629.40 = 2,616,534.80/x
  3. Step 3: Cross multiply
    3,120,419.60x = 4,680,629.40 × 2,616,534.80
  4. Step 4: Simplify right side
    3,120,419.60x = 12,247,029,711,003.12
  5. Step 5: Solve for x
    x = 12,247,029,711,003.12/3,120,419.60
  6. Step 6: Final answer
    x = 3,924,802.20

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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.