Home / 1,915,209.90-2,642,961.06-1,055,751.66

Finding the Fourth Proportional to 1,915,209.90, 2,642,961.06 and 1,055,751.66

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Solution

The fourth proportional to 1,915,209.90, 2,642,961.06 and 1,055,751.66 is: 1,456,921.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,915,209.90 : 2,642,961.06 = 1,055,751.66 : x
  2. Step 2: Convert to fraction form
    1,915,209.90/2,642,961.06 = 1,055,751.66/x
  3. Step 3: Cross multiply
    1,915,209.90x = 2,642,961.06 × 1,055,751.66
  4. Step 4: Simplify right side
    1,915,209.90x = 2,790,310,526,410.36
  5. Step 5: Solve for x
    x = 2,790,310,526,410.36/1,915,209.90
  6. Step 6: Final answer
    x = 1,456,921.52

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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.