Home / 3,431,751.78-4,736,237.46-1,981,444.78

Finding the Fourth Proportional to 3,431,751.78, 4,736,237.46 and 1,981,444.78

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Solution

The fourth proportional to 3,431,751.78, 4,736,237.46 and 1,981,444.78 is: 2,734,636.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,431,751.78 : 4,736,237.46 = 1,981,444.78 : x
  2. Step 2: Convert to fraction form
    3,431,751.78/4,736,237.46 = 1,981,444.78/x
  3. Step 3: Cross multiply
    3,431,751.78x = 4,736,237.46 × 1,981,444.78
  4. Step 4: Simplify right side
    3,431,751.78x = 9,384,592,968,276.27
  5. Step 5: Solve for x
    x = 9,384,592,968,276.27/3,431,751.78
  6. Step 6: Final answer
    x = 2,734,636.29

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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.