Home / 3,389,685.18-5,084,535.96-830,911.56

Finding the Fourth Proportional to 3,389,685.18, 5,084,535.96 and 830,911.56

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Solution

The fourth proportional to 3,389,685.18, 5,084,535.96 and 830,911.56 is: 1,246,369.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,389,685.18 : 5,084,535.96 = 830,911.56 : x
  2. Step 2: Convert to fraction form
    3,389,685.18/5,084,535.96 = 830,911.56/x
  3. Step 3: Cross multiply
    3,389,685.18x = 5,084,535.96 × 830,911.56
  4. Step 4: Simplify right side
    3,389,685.18x = 4,224,799,706,399.70
  5. Step 5: Solve for x
    x = 4,224,799,706,399.70/3,389,685.18
  6. Step 6: Final answer
    x = 1,246,369.35

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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.