Home / 1,864,909.20-2,797,363.80-1,491,661.20

Finding the Fourth Proportional to 1,864,909.20, 2,797,363.80 and 1,491,661.20

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Solution

The fourth proportional to 1,864,909.20, 2,797,363.80 and 1,491,661.20 is: 2,237,491.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,864,909.20 : 2,797,363.80 = 1,491,661.20 : x
  2. Step 2: Convert to fraction form
    1,864,909.20/2,797,363.80 = 1,491,661.20/x
  3. Step 3: Cross multiply
    1,864,909.20x = 2,797,363.80 × 1,491,661.20
  4. Step 4: Simplify right side
    1,864,909.20x = 4,172,719,042,744.56
  5. Step 5: Solve for x
    x = 4,172,719,042,744.56/1,864,909.20
  6. Step 6: Final answer
    x = 2,237,491.80

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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.