Home / 2,173,175.20-3,260,200.20-1,820,630.80

Finding the Fourth Proportional to 2,173,175.20, 3,260,200.20 and 1,820,630.80

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Solution

The fourth proportional to 2,173,175.20, 3,260,200.20 and 1,820,630.80 is: 2,731,312.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,173,175.20 : 3,260,200.20 = 1,820,630.80 : x
  2. Step 2: Convert to fraction form
    2,173,175.20/3,260,200.20 = 1,820,630.80/x
  3. Step 3: Cross multiply
    2,173,175.20x = 3,260,200.20 × 1,820,630.80
  4. Step 4: Simplify right side
    2,173,175.20x = 5,935,620,898,286.16
  5. Step 5: Solve for x
    x = 5,935,620,898,286.16/2,173,175.20
  6. Step 6: Final answer
    x = 2,731,312.64

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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.