Home / 4,969,769.60-7,454,654.40-2,130,168.80

Finding the Fourth Proportional to 4,969,769.60, 7,454,654.40 and 2,130,168.80

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Solution

The fourth proportional to 4,969,769.60, 7,454,654.40 and 2,130,168.80 is: 3,195,253.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,969,769.60 : 7,454,654.40 = 2,130,168.80 : x
  2. Step 2: Convert to fraction form
    4,969,769.60/7,454,654.40 = 2,130,168.80/x
  3. Step 3: Cross multiply
    4,969,769.60x = 7,454,654.40 × 2,130,168.80
  4. Step 4: Simplify right side
    4,969,769.60x = 15,879,672,217,662.72
  5. Step 5: Solve for x
    x = 15,879,672,217,662.72/4,969,769.60
  6. Step 6: Final answer
    x = 3,195,253.20

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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.