Home / 3,894,081.75-5,370,342.12-3,242,864.23

Finding the Fourth Proportional to 3,894,081.75, 5,370,342.12 and 3,242,864.23

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Solution

The fourth proportional to 3,894,081.75, 5,370,342.12 and 3,242,864.23 is: 4,472,245.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,894,081.75 : 5,370,342.12 = 3,242,864.23 : x
  2. Step 2: Convert to fraction form
    3,894,081.75/5,370,342.12 = 3,242,864.23/x
  3. Step 3: Cross multiply
    3,894,081.75x = 5,370,342.12 × 3,242,864.23
  4. Step 4: Simplify right side
    3,894,081.75x = 17,415,290,350,384.51
  5. Step 5: Solve for x
    x = 17,415,290,350,384.51/3,894,081.75
  6. Step 6: Final answer
    x = 4,472,245.70

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.