Home / 5,193,646.40-7,790,469.60-2,802,161.90

Finding the Fourth Proportional to 5,193,646.40, 7,790,469.60 and 2,802,161.90

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Solution

The fourth proportional to 5,193,646.40, 7,790,469.60 and 2,802,161.90 is: 4,203,242.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,193,646.40 : 7,790,469.60 = 2,802,161.90 : x
  2. Step 2: Convert to fraction form
    5,193,646.40/7,790,469.60 = 2,802,161.90/x
  3. Step 3: Cross multiply
    5,193,646.40x = 7,790,469.60 × 2,802,161.90
  4. Step 4: Simplify right side
    5,193,646.40x = 21,830,157,096,228.24
  5. Step 5: Solve for x
    x = 21,830,157,096,228.24/5,193,646.40
  6. Step 6: Final answer
    x = 4,203,242.85

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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.