Home / 2,085,446.80-3,128,170.20-665,606.80

Finding the Fourth Proportional to 2,085,446.80, 3,128,170.20 and 665,606.80

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Solution

The fourth proportional to 2,085,446.80, 3,128,170.20 and 665,606.80 is: 998,410.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,085,446.80 : 3,128,170.20 = 665,606.80 : x
  2. Step 2: Convert to fraction form
    2,085,446.80/3,128,170.20 = 665,606.80/x
  3. Step 3: Cross multiply
    2,085,446.80x = 3,128,170.20 × 665,606.80
  4. Step 4: Simplify right side
    2,085,446.80x = 2,082,131,356,677.36
  5. Step 5: Solve for x
    x = 2,082,131,356,677.36/2,085,446.80
  6. Step 6: Final answer
    x = 998,410.20

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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.