Home / 4,660,766.10-6,991,149.66-1,422,320.75

Finding the Fourth Proportional to 4,660,766.10, 6,991,149.66 and 1,422,320.75

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Solution

The fourth proportional to 4,660,766.10, 6,991,149.66 and 1,422,320.75 is: 2,133,481.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,660,766.10 : 6,991,149.66 = 1,422,320.75 : x
  2. Step 2: Convert to fraction form
    4,660,766.10/6,991,149.66 = 1,422,320.75/x
  3. Step 3: Cross multiply
    4,660,766.10x = 6,991,149.66 × 1,422,320.75
  4. Step 4: Simplify right side
    4,660,766.10x = 9,943,657,227,773.45
  5. Step 5: Solve for x
    x = 9,943,657,227,773.45/4,660,766.10
  6. Step 6: Final answer
    x = 2,133,481.28

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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.