Home / 6,391,721.63-9,588,928.97-2,073,434.66

Finding the Fourth Proportional to 6,391,721.63, 9,588,928.97 and 2,073,434.66

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Solution

The fourth proportional to 6,391,721.63, 9,588,928.97 and 2,073,434.66 is: 3,110,588.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,391,721.63 : 9,588,928.97 = 2,073,434.66 : x
  2. Step 2: Convert to fraction form
    6,391,721.63/9,588,928.97 = 2,073,434.66/x
  3. Step 3: Cross multiply
    6,391,721.63x = 9,588,928.97 × 2,073,434.66
  4. Step 4: Simplify right side
    6,391,721.63x = 19,882,017,620,364.28
  5. Step 5: Solve for x
    x = 19,882,017,620,364.28/6,391,721.63
  6. Step 6: Final answer
    x = 3,110,588.79

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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.