Home / 2,183,568.40-3,275,813.40-687,811.60

Finding the Fourth Proportional to 2,183,568.40, 3,275,813.40 and 687,811.60

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Solution

The fourth proportional to 2,183,568.40, 3,275,813.40 and 687,811.60 is: 1,031,862.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,183,568.40 : 3,275,813.40 = 687,811.60 : x
  2. Step 2: Convert to fraction form
    2,183,568.40/3,275,813.40 = 687,811.60/x
  3. Step 3: Cross multiply
    2,183,568.40x = 3,275,813.40 × 687,811.60
  4. Step 4: Simplify right side
    2,183,568.40x = 2,253,142,455,955.44
  5. Step 5: Solve for x
    x = 2,253,142,455,955.44/2,183,568.40
  6. Step 6: Final answer
    x = 1,031,862.55

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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.