Home / 3,114,693.64-4,672,010.94-984,778.12

Finding the Fourth Proportional to 3,114,693.64, 4,672,010.94 and 984,778.12

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Solution

The fourth proportional to 3,114,693.64, 4,672,010.94 and 984,778.12 is: 1,477,157.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,114,693.64 : 4,672,010.94 = 984,778.12 : x
  2. Step 2: Convert to fraction form
    3,114,693.64/4,672,010.94 = 984,778.12/x
  3. Step 3: Cross multiply
    3,114,693.64x = 4,672,010.94 × 984,778.12
  4. Step 4: Simplify right side
    3,114,693.64x = 4,600,894,150,112.63
  5. Step 5: Solve for x
    x = 4,600,894,150,112.63/3,114,693.64
  6. Step 6: Final answer
    x = 1,477,157.85

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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.