Home / 5,638,872.92-7,781,651.48-3,060,554.36

Finding the Fourth Proportional to 5,638,872.92, 7,781,651.48 and 3,060,554.36

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Solution

The fourth proportional to 5,638,872.92, 7,781,651.48 and 3,060,554.36 is: 4,223,568.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,638,872.92 : 7,781,651.48 = 3,060,554.36 : x
  2. Step 2: Convert to fraction form
    5,638,872.92/7,781,651.48 = 3,060,554.36/x
  3. Step 3: Cross multiply
    5,638,872.92x = 7,781,651.48 × 3,060,554.36
  4. Step 4: Simplify right side
    5,638,872.92x = 23,816,167,365,114.45
  5. Step 5: Solve for x
    x = 23,816,167,365,114.45/5,638,872.92
  6. Step 6: Final answer
    x = 4,223,568.73

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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.