Home / 1,972,917.90-2,722,353.57-1,101,646.26

Finding the Fourth Proportional to 1,972,917.90, 2,722,353.57 and 1,101,646.26

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Solution

The fourth proportional to 1,972,917.90, 2,722,353.57 and 1,101,646.26 is: 1,520,119.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,972,917.90 : 2,722,353.57 = 1,101,646.26 : x
  2. Step 2: Convert to fraction form
    1,972,917.90/2,722,353.57 = 1,101,646.26/x
  3. Step 3: Cross multiply
    1,972,917.90x = 2,722,353.57 × 1,101,646.26
  4. Step 4: Simplify right side
    1,972,917.90x = 2,999,070,628,788.15
  5. Step 5: Solve for x
    x = 2,999,070,628,788.15/1,972,917.90
  6. Step 6: Final answer
    x = 1,520,119.33

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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.