Home / 2,785,993.20-4,178,661.48-764,441.52

Finding the Fourth Proportional to 2,785,993.20, 4,178,661.48 and 764,441.52

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Solution

The fourth proportional to 2,785,993.20, 4,178,661.48 and 764,441.52 is: 1,146,572.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,785,993.20 : 4,178,661.48 = 764,441.52 : x
  2. Step 2: Convert to fraction form
    2,785,993.20/4,178,661.48 = 764,441.52/x
  3. Step 3: Cross multiply
    2,785,993.20x = 4,178,661.48 × 764,441.52
  4. Step 4: Simplify right side
    2,785,993.20x = 3,194,342,333,336.65
  5. Step 5: Solve for x
    x = 3,194,342,333,336.65/2,785,993.20
  6. Step 6: Final answer
    x = 1,146,572.19

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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.