Home / 3,880,122.96-5,354,168.31-2,389,737.12

Finding the Fourth Proportional to 3,880,122.96, 5,354,168.31 and 2,389,737.12

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Solution

The fourth proportional to 3,880,122.96, 5,354,168.31 and 2,389,737.12 is: 3,297,590.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,880,122.96 : 5,354,168.31 = 2,389,737.12 : x
  2. Step 2: Convert to fraction form
    3,880,122.96/5,354,168.31 = 2,389,737.12/x
  3. Step 3: Cross multiply
    3,880,122.96x = 5,354,168.31 × 2,389,737.12
  4. Step 4: Simplify right side
    3,880,122.96x = 12,795,054,757,134.67
  5. Step 5: Solve for x
    x = 12,795,054,757,134.67/3,880,122.96
  6. Step 6: Final answer
    x = 3,297,590.02

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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.