Home / 1,915,047.08-2,642,764.32-1,055,621.69

Finding the Fourth Proportional to 1,915,047.08, 2,642,764.32 and 1,055,621.69

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Solution

The fourth proportional to 1,915,047.08, 2,642,764.32 and 1,055,621.69 is: 1,456,757.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,915,047.08 : 2,642,764.32 = 1,055,621.69 : x
  2. Step 2: Convert to fraction form
    1,915,047.08/2,642,764.32 = 1,055,621.69/x
  3. Step 3: Cross multiply
    1,915,047.08x = 2,642,764.32 × 1,055,621.69
  4. Step 4: Simplify right side
    1,915,047.08x = 2,789,759,324,536.28
  5. Step 5: Solve for x
    x = 2,789,759,324,536.28/1,915,047.08
  6. Step 6: Final answer
    x = 1,456,757.57

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.