Home / 1,965,435.13-2,948,151.79-545,490.78

Finding the Fourth Proportional to 1,965,435.13, 2,948,151.79 and 545,490.78

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Solution

The fourth proportional to 1,965,435.13, 2,948,151.79 and 545,490.78 is: 818,235.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,965,435.13 : 2,948,151.79 = 545,490.78 : x
  2. Step 2: Convert to fraction form
    1,965,435.13/2,948,151.79 = 545,490.78/x
  3. Step 3: Cross multiply
    1,965,435.13x = 2,948,151.79 × 545,490.78
  4. Step 4: Simplify right side
    1,965,435.13x = 1,608,189,619,485.50
  5. Step 5: Solve for x
    x = 1,608,189,619,485.50/1,965,435.13
  6. Step 6: Final answer
    x = 818,235.92

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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.