Home / 5,428,533.78-7,484,793.57-4,692,160.98

Finding the Fourth Proportional to 5,428,533.78, 7,484,793.57 and 4,692,160.98

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Solution

The fourth proportional to 5,428,533.78, 7,484,793.57 and 4,692,160.98 is: 6,469,492.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,428,533.78 : 7,484,793.57 = 4,692,160.98 : x
  2. Step 2: Convert to fraction form
    5,428,533.78/7,484,793.57 = 4,692,160.98/x
  3. Step 3: Cross multiply
    5,428,533.78x = 7,484,793.57 × 4,692,160.98
  4. Step 4: Simplify right side
    5,428,533.78x = 35,119,856,332,508.90
  5. Step 5: Solve for x
    x = 35,119,856,332,508.90/5,428,533.78
  6. Step 6: Final answer
    x = 6,469,492.09

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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.