Home / 1,914,515.35-2,642,086.55-1,055,130.97

Finding the Fourth Proportional to 1,914,515.35, 2,642,086.55 and 1,055,130.97

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Solution

The fourth proportional to 1,914,515.35, 2,642,086.55 and 1,055,130.97 is: 1,456,111.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,914,515.35 : 2,642,086.55 = 1,055,130.97 : x
  2. Step 2: Convert to fraction form
    1,914,515.35/2,642,086.55 = 1,055,130.97/x
  3. Step 3: Cross multiply
    1,914,515.35x = 2,642,086.55 × 1,055,130.97
  4. Step 4: Simplify right side
    1,914,515.35x = 2,787,747,340,358.07
  5. Step 5: Solve for x
    x = 2,787,747,340,358.07/1,914,515.35
  6. Step 6: Final answer
    x = 1,456,111.25

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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.