Home / 1,921,645.20-2,651,823.72-1,062,183.36

Finding the Fourth Proportional to 1,921,645.20, 2,651,823.72 and 1,062,183.36

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Solution

The fourth proportional to 1,921,645.20, 2,651,823.72 and 1,062,183.36 is: 1,465,787.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,921,645.20 : 2,651,823.72 = 1,062,183.36 : x
  2. Step 2: Convert to fraction form
    1,921,645.20/2,651,823.72 = 1,062,183.36/x
  3. Step 3: Cross multiply
    1,921,645.20x = 2,651,823.72 × 1,062,183.36
  4. Step 4: Simplify right side
    1,921,645.20x = 2,816,723,029,037.30
  5. Step 5: Solve for x
    x = 2,816,723,029,037.30/1,921,645.20
  6. Step 6: Final answer
    x = 1,465,787.25

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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.