Home / 5,381,631-7,426,708.86-2,934,222.12

Finding the Fourth Proportional to 5,381,631, 7,426,708.86 and 2,934,222.12

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Solution

The fourth proportional to 5,381,631, 7,426,708.86 and 2,934,222.12 is: 4,049,258.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,381,631 : 7,426,708.86 = 2,934,222.12 : x
  2. Step 2: Convert to fraction form
    5,381,631/7,426,708.86 = 2,934,222.12/x
  3. Step 3: Cross multiply
    5,381,631x = 7,426,708.86 × 2,934,222.12
  4. Step 4: Simplify right side
    5,381,631x = 21,791,613,415,811.98
  5. Step 5: Solve for x
    x = 21,791,613,415,811.98/5,381,631
  6. Step 6: Final answer
    x = 4,049,258.19

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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.