Home / 2,528,149.78-3,790,454.01-930,505.78

Finding the Fourth Proportional to 2,528,149.78, 3,790,454.01 and 930,505.78

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Solution

The fourth proportional to 2,528,149.78, 3,790,454.01 and 930,505.78 is: 1,395,106.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,528,149.78 : 3,790,454.01 = 930,505.78 : x
  2. Step 2: Convert to fraction form
    2,528,149.78/3,790,454.01 = 930,505.78/x
  3. Step 3: Cross multiply
    2,528,149.78x = 3,790,454.01 × 930,505.78
  4. Step 4: Simplify right side
    2,528,149.78x = 3,527,039,365,129.18
  5. Step 5: Solve for x
    x = 3,527,039,365,129.18/2,528,149.78
  6. Step 6: Final answer
    x = 1,395,106.96

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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.