Home / 2,161,376.21-2,982,984.29-2,090,399.85

Finding the Fourth Proportional to 2,161,376.21, 2,982,984.29 and 2,090,399.85

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Solution

The fourth proportional to 2,161,376.21, 2,982,984.29 and 2,090,399.85 is: 2,885,027.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,161,376.21 : 2,982,984.29 = 2,090,399.85 : x
  2. Step 2: Convert to fraction form
    2,161,376.21/2,982,984.29 = 2,090,399.85/x
  3. Step 3: Cross multiply
    2,161,376.21x = 2,982,984.29 × 2,090,399.85
  4. Step 4: Simplify right side
    2,161,376.21x = 6,235,629,901,916.36
  5. Step 5: Solve for x
    x = 6,235,629,901,916.36/2,161,376.21
  6. Step 6: Final answer
    x = 2,885,027.55

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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.