Home / 1,889,917.72-2,608,021.46-1,074,107.18

Finding the Fourth Proportional to 1,889,917.72, 2,608,021.46 and 1,074,107.18

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Solution

The fourth proportional to 1,889,917.72, 2,608,021.46 and 1,074,107.18 is: 1,482,230.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,889,917.72 : 2,608,021.46 = 1,074,107.18 : x
  2. Step 2: Convert to fraction form
    1,889,917.72/2,608,021.46 = 1,074,107.18/x
  3. Step 3: Cross multiply
    1,889,917.72x = 2,608,021.46 × 1,074,107.18
  4. Step 4: Simplify right side
    1,889,917.72x = 2,801,294,584,985.40
  5. Step 5: Solve for x
    x = 2,801,294,584,985.40/1,889,917.72
  6. Step 6: Final answer
    x = 1,482,230.98

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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.