Home / 2,807,936.06-4,212,428.78-1,125,170.78

Finding the Fourth Proportional to 2,807,936.06, 4,212,428.78 and 1,125,170.78

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Solution

The fourth proportional to 2,807,936.06, 4,212,428.78 and 1,125,170.78 is: 1,687,966.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,807,936.06 : 4,212,428.78 = 1,125,170.78 : x
  2. Step 2: Convert to fraction form
    2,807,936.06/4,212,428.78 = 1,125,170.78/x
  3. Step 3: Cross multiply
    2,807,936.06x = 4,212,428.78 × 1,125,170.78
  4. Step 4: Simplify right side
    2,807,936.06x = 4,739,701,757,837.83
  5. Step 5: Solve for x
    x = 4,739,701,757,837.83/2,807,936.06
  6. Step 6: Final answer
    x = 1,687,966.42

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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.