Home / 1,512,456.03-2,084,825.88-1,028,180.42

Finding the Fourth Proportional to 1,512,456.03, 2,084,825.88 and 1,028,180.42

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Solution

The fourth proportional to 1,512,456.03, 2,084,825.88 and 1,028,180.42 is: 1,417,282.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,512,456.03 : 2,084,825.88 = 1,028,180.42 : x
  2. Step 2: Convert to fraction form
    1,512,456.03/2,084,825.88 = 1,028,180.42/x
  3. Step 3: Cross multiply
    1,512,456.03x = 2,084,825.88 × 1,028,180.42
  4. Step 4: Simplify right side
    1,512,456.03x = 2,143,577,138,501.14
  5. Step 5: Solve for x
    x = 2,143,577,138,501.14/1,512,456.03
  6. Step 6: Final answer
    x = 1,417,282.29

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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.