Home / 3,936,924.78-5,432,956.34-2,126,088.78

Finding the Fourth Proportional to 3,936,924.78, 5,432,956.34 and 2,126,088.78

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Solution

The fourth proportional to 3,936,924.78, 5,432,956.34 and 2,126,088.78 is: 2,934,002.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,936,924.78 : 5,432,956.34 = 2,126,088.78 : x
  2. Step 2: Convert to fraction form
    3,936,924.78/5,432,956.34 = 2,126,088.78/x
  3. Step 3: Cross multiply
    3,936,924.78x = 5,432,956.34 × 2,126,088.78
  4. Step 4: Simplify right side
    3,936,924.78x = 11,550,947,506,073.42
  5. Step 5: Solve for x
    x = 11,550,947,506,073.42/3,936,924.78
  6. Step 6: Final answer
    x = 2,934,002.59

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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.