Home / 1,979,418.60-2,731,629.42-1,074,000.60

Finding the Fourth Proportional to 1,979,418.60, 2,731,629.42 and 1,074,000.60

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Solution

The fourth proportional to 1,979,418.60, 2,731,629.42 and 1,074,000.60 is: 1,482,138.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,979,418.60 : 2,731,629.42 = 1,074,000.60 : x
  2. Step 2: Convert to fraction form
    1,979,418.60/2,731,629.42 = 1,074,000.60/x
  3. Step 3: Cross multiply
    1,979,418.60x = 2,731,629.42 × 1,074,000.60
  4. Step 4: Simplify right side
    1,979,418.60x = 2,933,771,636,057.65
  5. Step 5: Solve for x
    x = 2,933,771,636,057.65/1,979,418.60
  6. Step 6: Final answer
    x = 1,482,138.06

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.