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Finding the Fourth Proportional to 3,893,441.44, 5,839,148.40 and 1,648,423.84

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Solution

The fourth proportional to 3,893,441.44, 5,839,148.40 and 1,648,423.84 is: 2,472,206.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,893,441.44 : 5,839,148.40 = 1,648,423.84 : x
  2. Step 2: Convert to fraction form
    3,893,441.44/5,839,148.40 = 1,648,423.84/x
  3. Step 3: Cross multiply
    3,893,441.44x = 5,839,148.40 × 1,648,423.84
  4. Step 4: Simplify right side
    3,893,441.44x = 9,625,391,427,857.86
  5. Step 5: Solve for x
    x = 9,625,391,427,857.86/3,893,441.44
  6. Step 6: Final answer
    x = 2,472,206.55

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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.