Home / 2,065,766.40-3,098,651.76-645,829.92

Finding the Fourth Proportional to 2,065,766.40, 3,098,651.76 and 645,829.92

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Solution

The fourth proportional to 2,065,766.40, 3,098,651.76 and 645,829.92 is: 968,745.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,065,766.40 : 3,098,651.76 = 645,829.92 : x
  2. Step 2: Convert to fraction form
    2,065,766.40/3,098,651.76 = 645,829.92/x
  3. Step 3: Cross multiply
    2,065,766.40x = 3,098,651.76 × 645,829.92
  4. Step 4: Simplify right side
    2,065,766.40x = 2,001,202,018,268.66
  5. Step 5: Solve for x
    x = 2,001,202,018,268.66/2,065,766.40
  6. Step 6: Final answer
    x = 968,745.56

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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.