Home / 8,601,864.78-12,902,781.63-2,540,852.97

Finding the Fourth Proportional to 8,601,864.78, 12,902,781.63 and 2,540,852.97

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Solution

The fourth proportional to 8,601,864.78, 12,902,781.63 and 2,540,852.97 is: 3,811,274.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,601,864.78 : 12,902,781.63 = 2,540,852.97 : x
  2. Step 2: Convert to fraction form
    8,601,864.78/12,902,781.63 = 2,540,852.97/x
  3. Step 3: Cross multiply
    8,601,864.78x = 12,902,781.63 × 2,540,852.97
  4. Step 4: Simplify right side
    8,601,864.78x = 32,784,071,025,846.95
  5. Step 5: Solve for x
    x = 32,784,071,025,846.95/8,601,864.78
  6. Step 6: Final answer
    x = 3,811,274.86

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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.