Home / 2,440,943.84-3,661,661.76-643,951.52

Finding the Fourth Proportional to 2,440,943.84, 3,661,661.76 and 643,951.52

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Solution

The fourth proportional to 2,440,943.84, 3,661,661.76 and 643,951.52 is: 965,992.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,440,943.84 : 3,661,661.76 = 643,951.52 : x
  2. Step 2: Convert to fraction form
    2,440,943.84/3,661,661.76 = 643,951.52/x
  3. Step 3: Cross multiply
    2,440,943.84x = 3,661,661.76 × 643,951.52
  4. Step 4: Simplify right side
    2,440,943.84x = 2,357,932,656,077.88
  5. Step 5: Solve for x
    x = 2,357,932,656,077.88/2,440,943.84
  6. Step 6: Final answer
    x = 965,992.18

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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.