Home / 3,617,478.12-5,419,122.78-2,097,968.76

Finding the Fourth Proportional to 3,617,478.12, 5,419,122.78 and 2,097,968.76

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Solution

The fourth proportional to 3,617,478.12, 5,419,122.78 and 2,097,968.76 is: 3,142,838.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,617,478.12 : 5,419,122.78 = 2,097,968.76 : x
  2. Step 2: Convert to fraction form
    3,617,478.12/5,419,122.78 = 2,097,968.76/x
  3. Step 3: Cross multiply
    3,617,478.12x = 5,419,122.78 × 2,097,968.76
  4. Step 4: Simplify right side
    3,617,478.12x = 11,369,150,299,044.35
  5. Step 5: Solve for x
    x = 11,369,150,299,044.35/3,617,478.12
  6. Step 6: Final answer
    x = 3,142,838.72

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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.