Home / 3,211,240.07-4,816,876.17-815,085.43

Finding the Fourth Proportional to 3,211,240.07, 4,816,876.17 and 815,085.43

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Solution

The fourth proportional to 3,211,240.07, 4,816,876.17 and 815,085.43 is: 1,222,632.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,211,240.07 : 4,816,876.17 = 815,085.43 : x
  2. Step 2: Convert to fraction form
    3,211,240.07/4,816,876.17 = 815,085.43/x
  3. Step 3: Cross multiply
    3,211,240.07x = 4,816,876.17 × 815,085.43
  4. Step 4: Simplify right side
    3,211,240.07x = 3,926,165,584,281.20
  5. Step 5: Solve for x
    x = 3,926,165,584,281.20/3,211,240.07
  6. Step 6: Final answer
    x = 1,222,632.22

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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.