Home / 1,915,173.67-2,642,958.06-1,055,764.68

Finding the Fourth Proportional to 1,915,173.67, 2,642,958.06 and 1,055,764.68

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Solution

The fourth proportional to 1,915,173.67, 2,642,958.06 and 1,055,764.68 is: 1,456,965.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,915,173.67 : 2,642,958.06 = 1,055,764.68 : x
  2. Step 2: Convert to fraction form
    1,915,173.67/2,642,958.06 = 1,055,764.68/x
  3. Step 3: Cross multiply
    1,915,173.67x = 2,642,958.06 × 1,055,764.68
  4. Step 4: Simplify right side
    1,915,173.67x = 2,790,341,777,404.43
  5. Step 5: Solve for x
    x = 2,790,341,777,404.43/1,915,173.67
  6. Step 6: Final answer
    x = 1,456,965.40

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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.