Home / 3,885,966.72-5,362,391.33-2,143,656.26

Finding the Fourth Proportional to 3,885,966.72, 5,362,391.33 and 2,143,656.26

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Solution

The fourth proportional to 3,885,966.72, 5,362,391.33 and 2,143,656.26 is: 2,958,111.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,885,966.72 : 5,362,391.33 = 2,143,656.26 : x
  2. Step 2: Convert to fraction form
    3,885,966.72/5,362,391.33 = 2,143,656.26/x
  3. Step 3: Cross multiply
    3,885,966.72x = 5,362,391.33 × 2,143,656.26
  4. Step 4: Simplify right side
    3,885,966.72x = 11,495,123,743,124.22
  5. Step 5: Solve for x
    x = 11,495,123,743,124.22/3,885,966.72
  6. Step 6: Final answer
    x = 2,958,111.73

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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.