Home / 2,080,803.20-3,120,427.20-1,447,836.80

Finding the Fourth Proportional to 2,080,803.20, 3,120,427.20 and 1,447,836.80

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Solution

The fourth proportional to 2,080,803.20, 3,120,427.20 and 1,447,836.80 is: 2,171,214.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,080,803.20 : 3,120,427.20 = 1,447,836.80 : x
  2. Step 2: Convert to fraction form
    2,080,803.20/3,120,427.20 = 1,447,836.80/x
  3. Step 3: Cross multiply
    2,080,803.20x = 3,120,427.20 × 1,447,836.80
  4. Step 4: Simplify right side
    2,080,803.20x = 4,517,869,331,880.96
  5. Step 5: Solve for x
    x = 4,517,869,331,880.96/2,080,803.20
  6. Step 6: Final answer
    x = 2,171,214.14

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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.