Home / 5,638,850.62-7,781,621.52-3,060,531.72

Finding the Fourth Proportional to 5,638,850.62, 7,781,621.52 and 3,060,531.72

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Solution

The fourth proportional to 5,638,850.62, 7,781,621.52 and 3,060,531.72 is: 4,223,537.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,638,850.62 : 7,781,621.52 = 3,060,531.72 : x
  2. Step 2: Convert to fraction form
    5,638,850.62/7,781,621.52 = 3,060,531.72/x
  3. Step 3: Cross multiply
    5,638,850.62x = 7,781,621.52 × 3,060,531.72
  4. Step 4: Simplify right side
    5,638,850.62x = 23,815,899,494,994.61
  5. Step 5: Solve for x
    x = 23,815,899,494,994.61/5,638,850.62
  6. Step 6: Final answer
    x = 4,223,537.93

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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.