Home / 2,118,259.20-3,176,390.46-769,470.96

Finding the Fourth Proportional to 2,118,259.20, 3,176,390.46 and 769,470.96

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Solution

The fourth proportional to 2,118,259.20, 3,176,390.46 and 769,470.96 is: 1,153,843.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,118,259.20 : 3,176,390.46 = 769,470.96 : x
  2. Step 2: Convert to fraction form
    2,118,259.20/3,176,390.46 = 769,470.96/x
  3. Step 3: Cross multiply
    2,118,259.20x = 3,176,390.46 × 769,470.96
  4. Step 4: Simplify right side
    2,118,259.20x = 2,444,140,216,591.04
  5. Step 5: Solve for x
    x = 2,444,140,216,591.04/2,118,259.20
  6. Step 6: Final answer
    x = 1,153,843.79

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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.