Home / 5,391,890.10-7,431,949.53-3,822,557.22

Finding the Fourth Proportional to 5,391,890.10, 7,431,949.53 and 3,822,557.22

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Solution

The fourth proportional to 5,391,890.10, 7,431,949.53 and 3,822,557.22 is: 5,268,848.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,391,890.10 : 7,431,949.53 = 3,822,557.22 : x
  2. Step 2: Convert to fraction form
    5,391,890.10/7,431,949.53 = 3,822,557.22/x
  3. Step 3: Cross multiply
    5,391,890.10x = 7,431,949.53 × 3,822,557.22
  4. Step 4: Simplify right side
    5,391,890.10x = 28,409,052,334,577.11
  5. Step 5: Solve for x
    x = 28,409,052,334,577.11/5,391,890.10
  6. Step 6: Final answer
    x = 5,268,848.55

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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.