Home / 3,434,945.40-5,152,418.10-1,191,310.20

Finding the Fourth Proportional to 3,434,945.40, 5,152,418.10 and 1,191,310.20

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Solution

The fourth proportional to 3,434,945.40, 5,152,418.10 and 1,191,310.20 is: 1,786,965.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,434,945.40 : 5,152,418.10 = 1,191,310.20 : x
  2. Step 2: Convert to fraction form
    3,434,945.40/5,152,418.10 = 1,191,310.20/x
  3. Step 3: Cross multiply
    3,434,945.40x = 5,152,418.10 × 1,191,310.20
  4. Step 4: Simplify right side
    3,434,945.40x = 6,138,128,237,194.62
  5. Step 5: Solve for x
    x = 6,138,128,237,194.62/3,434,945.40
  6. Step 6: Final answer
    x = 1,786,965.30

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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.