Home / 2,731,906.81-4,097,146.09-812,301.04

Finding the Fourth Proportional to 2,731,906.81, 4,097,146.09 and 812,301.04

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Solution

The fourth proportional to 2,731,906.81, 4,097,146.09 and 812,301.04 is: 1,218,239.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,731,906.81 : 4,097,146.09 = 812,301.04 : x
  2. Step 2: Convert to fraction form
    2,731,906.81/4,097,146.09 = 812,301.04/x
  3. Step 3: Cross multiply
    2,731,906.81x = 4,097,146.09 × 812,301.04
  4. Step 4: Simplify right side
    2,731,906.81x = 3,328,116,029,938.93
  5. Step 5: Solve for x
    x = 3,328,116,029,938.93/2,731,906.81
  6. Step 6: Final answer
    x = 1,218,239.22

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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.