Home / 2,261,336.25-3,392,133.68-641,978.43

Finding the Fourth Proportional to 2,261,336.25, 3,392,133.68 and 641,978.43

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Solution

The fourth proportional to 2,261,336.25, 3,392,133.68 and 641,978.43 is: 963,004.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,261,336.25 : 3,392,133.68 = 641,978.43 : x
  2. Step 2: Convert to fraction form
    2,261,336.25/3,392,133.68 = 641,978.43/x
  3. Step 3: Cross multiply
    2,261,336.25x = 3,392,133.68 × 641,978.43
  4. Step 4: Simplify right side
    2,261,336.25x = 2,177,676,651,026.63
  5. Step 5: Solve for x
    x = 2,177,676,651,026.63/2,261,336.25
  6. Step 6: Final answer
    x = 963,004.35

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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.