Home / 2,812,245.78-4,219,904.32-1,192,762.70

Finding the Fourth Proportional to 2,812,245.78, 4,219,904.32 and 1,192,762.70

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Solution

The fourth proportional to 2,812,245.78, 4,219,904.32 and 1,192,762.70 is: 1,789,795.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,812,245.78 : 4,219,904.32 = 1,192,762.70 : x
  2. Step 2: Convert to fraction form
    2,812,245.78/4,219,904.32 = 1,192,762.70/x
  3. Step 3: Cross multiply
    2,812,245.78x = 4,219,904.32 × 1,192,762.70
  4. Step 4: Simplify right side
    2,812,245.78x = 5,033,344,470,464.86
  5. Step 5: Solve for x
    x = 5,033,344,470,464.86/2,812,245.78
  6. Step 6: Final answer
    x = 1,789,795.37

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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.