Home / 1,449,662.40-2,176,243.20-1,439,164.80

Finding the Fourth Proportional to 1,449,662.40, 2,176,243.20 and 1,439,164.80

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Solution

The fourth proportional to 1,449,662.40, 2,176,243.20 and 1,439,164.80 is: 2,160,484.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,449,662.40 : 2,176,243.20 = 1,439,164.80 : x
  2. Step 2: Convert to fraction form
    1,449,662.40/2,176,243.20 = 1,439,164.80/x
  3. Step 3: Cross multiply
    1,449,662.40x = 2,176,243.20 × 1,439,164.80
  4. Step 4: Simplify right side
    1,449,662.40x = 3,131,972,609,679.36
  5. Step 5: Solve for x
    x = 3,131,972,609,679.36/1,449,662.40
  6. Step 6: Final answer
    x = 2,160,484.13

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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.