Home / 3,519,606.12-5,280,186.78-1,275,685.80

Finding the Fourth Proportional to 3,519,606.12, 5,280,186.78 and 1,275,685.80

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Solution

The fourth proportional to 3,519,606.12, 5,280,186.78 and 1,275,685.80 is: 1,913,810.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,519,606.12 : 5,280,186.78 = 1,275,685.80 : x
  2. Step 2: Convert to fraction form
    3,519,606.12/5,280,186.78 = 1,275,685.80/x
  3. Step 3: Cross multiply
    3,519,606.12x = 5,280,186.78 × 1,275,685.80
  4. Step 4: Simplify right side
    3,519,606.12x = 6,735,859,296,593.73
  5. Step 5: Solve for x
    x = 6,735,859,296,593.73/3,519,606.12
  6. Step 6: Final answer
    x = 1,913,810.54

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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.