Home / 2,134,778.40-2,945,884.32-1,167,720.48

Finding the Fourth Proportional to 2,134,778.40, 2,945,884.32 and 1,167,720.48

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Solution

The fourth proportional to 2,134,778.40, 2,945,884.32 and 1,167,720.48 is: 1,611,394.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,134,778.40 : 2,945,884.32 = 1,167,720.48 : x
  2. Step 2: Convert to fraction form
    2,134,778.40/2,945,884.32 = 1,167,720.48/x
  3. Step 3: Cross multiply
    2,134,778.40x = 2,945,884.32 × 1,167,720.48
  4. Step 4: Simplify right side
    2,134,778.40x = 3,439,969,452,174.87
  5. Step 5: Solve for x
    x = 3,439,969,452,174.87/2,134,778.40
  6. Step 6: Final answer
    x = 1,611,394.16

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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.