Home / 1,491,164.40-2,056,025.92-1,218,226.80

Finding the Fourth Proportional to 1,491,164.40, 2,056,025.92 and 1,218,226.80

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Solution

The fourth proportional to 1,491,164.40, 2,056,025.92 and 1,218,226.80 is: 1,679,698.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,491,164.40 : 2,056,025.92 = 1,218,226.80 : x
  2. Step 2: Convert to fraction form
    1,491,164.40/2,056,025.92 = 1,218,226.80/x
  3. Step 3: Cross multiply
    1,491,164.40x = 2,056,025.92 × 1,218,226.80
  4. Step 4: Simplify right side
    1,491,164.40x = 2,504,705,877,238.66
  5. Step 5: Solve for x
    x = 2,504,705,877,238.66/1,491,164.40
  6. Step 6: Final answer
    x = 1,679,698.01

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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.