Home / 3,260,219.60-4,890,329.40-2,126,478.80

Finding the Fourth Proportional to 3,260,219.60, 4,890,329.40 and 2,126,478.80

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Solution

The fourth proportional to 3,260,219.60, 4,890,329.40 and 2,126,478.80 is: 3,189,718.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,260,219.60 : 4,890,329.40 = 2,126,478.80 : x
  2. Step 2: Convert to fraction form
    3,260,219.60/4,890,329.40 = 2,126,478.80/x
  3. Step 3: Cross multiply
    3,260,219.60x = 4,890,329.40 × 2,126,478.80
  4. Step 4: Simplify right side
    3,260,219.60x = 10,399,181,794,116.72
  5. Step 5: Solve for x
    x = 10,399,181,794,116.72/3,260,219.60
  6. Step 6: Final answer
    x = 3,189,718.20

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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.