Home / 4,871,921.80-7,307,357.70-1,278,049

Finding the Fourth Proportional to 4,871,921.80, 7,307,357.70 and 1,278,049

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Solution

The fourth proportional to 4,871,921.80, 7,307,357.70 and 1,278,049 is: 1,916,935.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,871,921.80 : 7,307,357.70 = 1,278,049 : x
  2. Step 2: Convert to fraction form
    4,871,921.80/7,307,357.70 = 1,278,049/x
  3. Step 3: Cross multiply
    4,871,921.80x = 7,307,357.70 × 1,278,049
  4. Step 4: Simplify right side
    4,871,921.80x = 9,339,161,201,127.30
  5. Step 5: Solve for x
    x = 9,339,161,201,127.30/4,871,921.80
  6. Step 6: Final answer
    x = 1,916,935.78

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.