Home / 4,989,909-7,483,734.72-2,291,640.36

Finding the Fourth Proportional to 4,989,909, 7,483,734.72 and 2,291,640.36

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Solution

The fourth proportional to 4,989,909, 7,483,734.72 and 2,291,640.36 is: 3,436,942.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,989,909 : 7,483,734.72 = 2,291,640.36 : x
  2. Step 2: Convert to fraction form
    4,989,909/7,483,734.72 = 2,291,640.36/x
  3. Step 3: Cross multiply
    4,989,909x = 7,483,734.72 × 2,291,640.36
  4. Step 4: Simplify right side
    4,989,909x = 17,150,028,527,885.30
  5. Step 5: Solve for x
    x = 17,150,028,527,885.30/4,989,909
  6. Step 6: Final answer
    x = 3,436,942.14

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.