Home / 3,407,974.80-4,703,233.44-1,958,139.60

Finding the Fourth Proportional to 3,407,974.80, 4,703,233.44 and 1,958,139.60

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Solution

The fourth proportional to 3,407,974.80, 4,703,233.44 and 1,958,139.60 is: 2,702,363.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,407,974.80 : 4,703,233.44 = 1,958,139.60 : x
  2. Step 2: Convert to fraction form
    3,407,974.80/4,703,233.44 = 1,958,139.60/x
  3. Step 3: Cross multiply
    3,407,974.80x = 4,703,233.44 × 1,958,139.60
  4. Step 4: Simplify right side
    3,407,974.80x = 9,209,587,646,908.23
  5. Step 5: Solve for x
    x = 9,209,587,646,908.23/3,407,974.80
  6. Step 6: Final answer
    x = 2,702,363.78

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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.