Home / 1,915,174.60-2,642,958.90-1,055,765.60

Finding the Fourth Proportional to 1,915,174.60, 2,642,958.90 and 1,055,765.60

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Solution

The fourth proportional to 1,915,174.60, 2,642,958.90 and 1,055,765.60 is: 1,456,966.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,915,174.60 : 2,642,958.90 = 1,055,765.60 : x
  2. Step 2: Convert to fraction form
    1,915,174.60/2,642,958.90 = 1,055,765.60/x
  3. Step 3: Cross multiply
    1,915,174.60x = 2,642,958.90 × 1,055,765.60
  4. Step 4: Simplify right side
    1,915,174.60x = 2,790,345,088,833.84
  5. Step 5: Solve for x
    x = 2,790,345,088,833.84/1,915,174.60
  6. Step 6: Final answer
    x = 1,456,966.42

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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.