Home / 4,812,906.60-7,219,359.90-3,868,122.60

Finding the Fourth Proportional to 4,812,906.60, 7,219,359.90 and 3,868,122.60

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Solution

The fourth proportional to 4,812,906.60, 7,219,359.90 and 3,868,122.60 is: 5,802,183.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,812,906.60 : 7,219,359.90 = 3,868,122.60 : x
  2. Step 2: Convert to fraction form
    4,812,906.60/7,219,359.90 = 3,868,122.60/x
  3. Step 3: Cross multiply
    4,812,906.60x = 7,219,359.90 × 3,868,122.60
  4. Step 4: Simplify right side
    4,812,906.60x = 27,925,369,186,723.74
  5. Step 5: Solve for x
    x = 27,925,369,186,723.74/4,812,906.60
  6. Step 6: Final answer
    x = 5,802,183.90

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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.