Home / 1,867,553.10-2,801,329.65-1,853,556.30

Finding the Fourth Proportional to 1,867,553.10, 2,801,329.65 and 1,853,556.30

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Solution

The fourth proportional to 1,867,553.10, 2,801,329.65 and 1,853,556.30 is: 2,780,334.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,867,553.10 : 2,801,329.65 = 1,853,556.30 : x
  2. Step 2: Convert to fraction form
    1,867,553.10/2,801,329.65 = 1,853,556.30/x
  3. Step 3: Cross multiply
    1,867,553.10x = 2,801,329.65 × 1,853,556.30
  4. Step 4: Simplify right side
    1,867,553.10x = 5,192,422,221,134.30
  5. Step 5: Solve for x
    x = 5,192,422,221,134.30/1,867,553.10
  6. Step 6: Final answer
    x = 2,780,334.45

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.