Home / 3,412,090.68-5,116,713.06-1,388,961.24

Finding the Fourth Proportional to 3,412,090.68, 5,116,713.06 and 1,388,961.24

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Solution

The fourth proportional to 3,412,090.68, 5,116,713.06 and 1,388,961.24 is: 2,082,862.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,412,090.68 : 5,116,713.06 = 1,388,961.24 : x
  2. Step 2: Convert to fraction form
    3,412,090.68/5,116,713.06 = 1,388,961.24/x
  3. Step 3: Cross multiply
    3,412,090.68x = 5,116,713.06 × 1,388,961.24
  4. Step 4: Simplify right side
    3,412,090.68x = 7,106,916,102,562.73
  5. Step 5: Solve for x
    x = 7,106,916,102,562.73/3,412,090.68
  6. Step 6: Final answer
    x = 2,082,862.61

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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.