Home / 2,988,361.28-4,123,919.31-1,699,201.56

Finding the Fourth Proportional to 2,988,361.28, 4,123,919.31 and 1,699,201.56

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Solution

The fourth proportional to 2,988,361.28, 4,123,919.31 and 1,699,201.56 is: 2,344,887.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,988,361.28 : 4,123,919.31 = 1,699,201.56 : x
  2. Step 2: Convert to fraction form
    2,988,361.28/4,123,919.31 = 1,699,201.56/x
  3. Step 3: Cross multiply
    2,988,361.28x = 4,123,919.31 × 1,699,201.56
  4. Step 4: Simplify right side
    2,988,361.28x = 7,007,370,124,866.12
  5. Step 5: Solve for x
    x = 7,007,370,124,866.12/2,988,361.28
  6. Step 6: Final answer
    x = 2,344,887.21

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.