Home / 3,929,150-5,894,438.88-1,623,648.69

Finding the Fourth Proportional to 3,929,150, 5,894,438.88 and 1,623,648.69

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Solution

The fourth proportional to 3,929,150, 5,894,438.88 and 1,623,648.69 is: 2,435,768.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,929,150 : 5,894,438.88 = 1,623,648.69 : x
  2. Step 2: Convert to fraction form
    3,929,150/5,894,438.88 = 1,623,648.69/x
  3. Step 3: Cross multiply
    3,929,150x = 5,894,438.88 × 1,623,648.69
  4. Step 4: Simplify right side
    3,929,150x = 9,570,497,965,797.07
  5. Step 5: Solve for x
    x = 9,570,497,965,797.07/3,929,150
  6. Step 6: Final answer
    x = 2,435,768.03

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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.