Home / 3,100,964.89-4,651,447.38-971,215.69

Finding the Fourth Proportional to 3,100,964.89, 4,651,447.38 and 971,215.69

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Solution

The fourth proportional to 3,100,964.89, 4,651,447.38 and 971,215.69 is: 1,456,823.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,100,964.89 : 4,651,447.38 = 971,215.69 : x
  2. Step 2: Convert to fraction form
    3,100,964.89/4,651,447.38 = 971,215.69/x
  3. Step 3: Cross multiply
    3,100,964.89x = 4,651,447.38 × 971,215.69
  4. Step 4: Simplify right side
    3,100,964.89x = 4,517,558,676,665.39
  5. Step 5: Solve for x
    x = 4,517,558,676,665.39/3,100,964.89
  6. Step 6: Final answer
    x = 1,456,823.55

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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.