Home / 1,945,936.80-2,911,906.80-1,316,080.80

Finding the Fourth Proportional to 1,945,936.80, 2,911,906.80 and 1,316,080.80

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Solution

The fourth proportional to 1,945,936.80, 2,911,906.80 and 1,316,080.80 is: 1,969,388.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,945,936.80 : 2,911,906.80 = 1,316,080.80 : x
  2. Step 2: Convert to fraction form
    1,945,936.80/2,911,906.80 = 1,316,080.80/x
  3. Step 3: Cross multiply
    1,945,936.80x = 2,911,906.80 × 1,316,080.80
  4. Step 4: Simplify right side
    1,945,936.80x = 3,832,304,630,869.44
  5. Step 5: Solve for x
    x = 3,832,304,630,869.44/1,945,936.80
  6. Step 6: Final answer
    x = 1,969,388.02

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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.