Home / 3,422,287.69-5,138,478.03-1,908,927.43

Finding the Fourth Proportional to 3,422,287.69, 5,138,478.03 and 1,908,927.43

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Solution

The fourth proportional to 3,422,287.69, 5,138,478.03 and 1,908,927.43 is: 2,866,206.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,422,287.69 : 5,138,478.03 = 1,908,927.43 : x
  2. Step 2: Convert to fraction form
    3,422,287.69/5,138,478.03 = 1,908,927.43/x
  3. Step 3: Cross multiply
    3,422,287.69x = 5,138,478.03 × 1,908,927.43
  4. Step 4: Simplify right side
    3,422,287.69x = 9,808,981,654,231.65
  5. Step 5: Solve for x
    x = 9,808,981,654,231.65/3,422,287.69
  6. Step 6: Final answer
    x = 2,866,206.04

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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.