Home / 3,190,690.80-4,786,036.20-2,182,921.20

Finding the Fourth Proportional to 3,190,690.80, 4,786,036.20 and 2,182,921.20

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Solution

The fourth proportional to 3,190,690.80, 4,786,036.20 and 2,182,921.20 is: 3,274,381.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,190,690.80 : 4,786,036.20 = 2,182,921.20 : x
  2. Step 2: Convert to fraction form
    3,190,690.80/4,786,036.20 = 2,182,921.20/x
  3. Step 3: Cross multiply
    3,190,690.80x = 4,786,036.20 × 2,182,921.20
  4. Step 4: Simplify right side
    3,190,690.80x = 10,447,539,884,947.44
  5. Step 5: Solve for x
    x = 10,447,539,884,947.44/3,190,690.80
  6. Step 6: Final answer
    x = 3,274,381.80

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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.