Home / 2,681,623.60-4,022,435.40-2,662,961.20

Finding the Fourth Proportional to 2,681,623.60, 4,022,435.40 and 2,662,961.20

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Solution

The fourth proportional to 2,681,623.60, 4,022,435.40 and 2,662,961.20 is: 3,994,441.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,681,623.60 : 4,022,435.40 = 2,662,961.20 : x
  2. Step 2: Convert to fraction form
    2,681,623.60/4,022,435.40 = 2,662,961.20/x
  3. Step 3: Cross multiply
    2,681,623.60x = 4,022,435.40 × 2,662,961.20
  4. Step 4: Simplify right side
    2,681,623.60x = 10,711,589,399,706.48
  5. Step 5: Solve for x
    x = 10,711,589,399,706.48/2,681,623.60
  6. Step 6: Final answer
    x = 3,994,441.80

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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.