Home / 2,188,159.56-3,017,279.70-1,422,793.80

Finding the Fourth Proportional to 2,188,159.56, 3,017,279.70 and 1,422,793.80

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Solution

The fourth proportional to 2,188,159.56, 3,017,279.70 and 1,422,793.80 is: 1,961,907.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,188,159.56 : 3,017,279.70 = 1,422,793.80 : x
  2. Step 2: Convert to fraction form
    2,188,159.56/3,017,279.70 = 1,422,793.80/x
  3. Step 3: Cross multiply
    2,188,159.56x = 3,017,279.70 × 1,422,793.80
  4. Step 4: Simplify right side
    2,188,159.56x = 4,292,966,850,025.86
  5. Step 5: Solve for x
    x = 4,292,966,850,025.86/2,188,159.56
  6. Step 6: Final answer
    x = 1,961,907.59

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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.