Home / 2,080,808.80-3,121,213.20-1,334,312.80

Finding the Fourth Proportional to 2,080,808.80, 3,121,213.20 and 1,334,312.80

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Solution

The fourth proportional to 2,080,808.80, 3,121,213.20 and 1,334,312.80 is: 2,001,469.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,080,808.80 : 3,121,213.20 = 1,334,312.80 : x
  2. Step 2: Convert to fraction form
    2,080,808.80/3,121,213.20 = 1,334,312.80/x
  3. Step 3: Cross multiply
    2,080,808.80x = 3,121,213.20 × 1,334,312.80
  4. Step 4: Simplify right side
    2,080,808.80x = 4,164,674,724,288.96
  5. Step 5: Solve for x
    x = 4,164,674,724,288.96/2,080,808.80
  6. Step 6: Final answer
    x = 2,001,469.20

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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.