Home / 1,853,327.20-2,775,325.20-1,218,805.60

Finding the Fourth Proportional to 1,853,327.20, 2,775,325.20 and 1,218,805.60

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Solution

The fourth proportional to 1,853,327.20, 2,775,325.20 and 1,218,805.60 is: 1,825,140.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,853,327.20 : 2,775,325.20 = 1,218,805.60 : x
  2. Step 2: Convert to fraction form
    1,853,327.20/2,775,325.20 = 1,218,805.60/x
  3. Step 3: Cross multiply
    1,853,327.20x = 2,775,325.20 × 1,218,805.60
  4. Step 4: Simplify right side
    1,853,327.20x = 3,382,581,895,581.12
  5. Step 5: Solve for x
    x = 3,382,581,895,581.12/1,853,327.20
  6. Step 6: Final answer
    x = 1,825,140.16

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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.