Home / 2,108,839.55-3,161,129.16-830,344.06

Finding the Fourth Proportional to 2,108,839.55, 3,161,129.16 and 830,344.06

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Solution

The fourth proportional to 2,108,839.55, 3,161,129.16 and 830,344.06 is: 1,244,677.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,108,839.55 : 3,161,129.16 = 830,344.06 : x
  2. Step 2: Convert to fraction form
    2,108,839.55/3,161,129.16 = 830,344.06/x
  3. Step 3: Cross multiply
    2,108,839.55x = 3,161,129.16 × 830,344.06
  4. Step 4: Simplify right side
    2,108,839.55x = 2,624,824,805,093.14
  5. Step 5: Solve for x
    x = 2,624,824,805,093.14/2,108,839.55
  6. Step 6: Final answer
    x = 1,244,677.34

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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.