Home / 5,678,196.21-7,835,614.38-3,099,378.76

Finding the Fourth Proportional to 5,678,196.21, 7,835,614.38 and 3,099,378.76

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Solution

The fourth proportional to 5,678,196.21, 7,835,614.38 and 3,099,378.76 is: 4,276,980.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,678,196.21 : 7,835,614.38 = 3,099,378.76 : x
  2. Step 2: Convert to fraction form
    5,678,196.21/7,835,614.38 = 3,099,378.76/x
  3. Step 3: Cross multiply
    5,678,196.21x = 7,835,614.38 × 3,099,378.76
  4. Step 4: Simplify right side
    5,678,196.21x = 24,285,536,780,922.57
  5. Step 5: Solve for x
    x = 24,285,536,780,922.57/5,678,196.21
  6. Step 6: Final answer
    x = 4,276,980.91

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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.