Home / 1,915,047.58-2,642,765.01-1,055,622.19

Finding the Fourth Proportional to 1,915,047.58, 2,642,765.01 and 1,055,622.19

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Solution

The fourth proportional to 1,915,047.58, 2,642,765.01 and 1,055,622.19 is: 1,456,758.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,915,047.58 : 2,642,765.01 = 1,055,622.19 : x
  2. Step 2: Convert to fraction form
    1,915,047.58/2,642,765.01 = 1,055,622.19/x
  3. Step 3: Cross multiply
    1,915,047.58x = 2,642,765.01 × 1,055,622.19
  4. Step 4: Simplify right side
    1,915,047.58x = 2,789,761,374,297.75
  5. Step 5: Solve for x
    x = 2,789,761,374,297.75/1,915,047.58
  6. Step 6: Final answer
    x = 1,456,758.26

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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.