Home / 1,656,311.60-2,482,912.20-1,296,282.80

Finding the Fourth Proportional to 1,656,311.60, 2,482,912.20 and 1,296,282.80

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Solution

The fourth proportional to 1,656,311.60, 2,482,912.20 and 1,296,282.80 is: 1,943,207.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,656,311.60 : 2,482,912.20 = 1,296,282.80 : x
  2. Step 2: Convert to fraction form
    1,656,311.60/2,482,912.20 = 1,296,282.80/x
  3. Step 3: Cross multiply
    1,656,311.60x = 2,482,912.20 × 1,296,282.80
  4. Step 4: Simplify right side
    1,656,311.60x = 3,218,556,378,770.16
  5. Step 5: Solve for x
    x = 3,218,556,378,770.16/1,656,311.60
  6. Step 6: Final answer
    x = 1,943,207.05

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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.