Home / 2,674,080.20-4,010,689.90-780,377.80

Finding the Fourth Proportional to 2,674,080.20, 4,010,689.90 and 780,377.80

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Solution

The fourth proportional to 2,674,080.20, 4,010,689.90 and 780,377.80 is: 1,170,441.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,674,080.20 : 4,010,689.90 = 780,377.80 : x
  2. Step 2: Convert to fraction form
    2,674,080.20/4,010,689.90 = 780,377.80/x
  3. Step 3: Cross multiply
    2,674,080.20x = 4,010,689.90 × 780,377.80
  4. Step 4: Simplify right side
    2,674,080.20x = 3,129,853,360,644.22
  5. Step 5: Solve for x
    x = 3,129,853,360,644.22/2,674,080.20
  6. Step 6: Final answer
    x = 1,170,441.10

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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.