Home / 4,816,842.71-6,640,812.39-3,826,695.78

Finding the Fourth Proportional to 4,816,842.71, 6,640,812.39 and 3,826,695.78

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Solution

The fourth proportional to 4,816,842.71, 6,640,812.39 and 3,826,695.78 is: 5,275,731.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,816,842.71 : 6,640,812.39 = 3,826,695.78 : x
  2. Step 2: Convert to fraction form
    4,816,842.71/6,640,812.39 = 3,826,695.78/x
  3. Step 3: Cross multiply
    4,816,842.71x = 6,640,812.39 × 3,826,695.78
  4. Step 4: Simplify right side
    4,816,842.71x = 25,412,368,748,584.71
  5. Step 5: Solve for x
    x = 25,412,368,748,584.71/4,816,842.71
  6. Step 6: Final answer
    x = 5,275,731.49

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.