Home / 1,842,680.31-2,764,414.12-644,641.71

Finding the Fourth Proportional to 1,842,680.31, 2,764,414.12 and 644,641.71

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Solution

The fourth proportional to 1,842,680.31, 2,764,414.12 and 644,641.71 is: 967,100.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,842,680.31 : 2,764,414.12 = 644,641.71 : x
  2. Step 2: Convert to fraction form
    1,842,680.31/2,764,414.12 = 644,641.71/x
  3. Step 3: Cross multiply
    1,842,680.31x = 2,764,414.12 × 644,641.71
  4. Step 4: Simplify right side
    1,842,680.31x = 1,782,056,645,464.95
  5. Step 5: Solve for x
    x = 1,782,056,645,464.95/1,842,680.31
  6. Step 6: Final answer
    x = 967,100.28

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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.