Home / 3,778,288.17-5,214,039.15-2,146,697.67

Finding the Fourth Proportional to 3,778,288.17, 5,214,039.15 and 2,146,697.67

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Solution

The fourth proportional to 3,778,288.17, 5,214,039.15 and 2,146,697.67 is: 2,962,443.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,778,288.17 : 5,214,039.15 = 2,146,697.67 : x
  2. Step 2: Convert to fraction form
    3,778,288.17/5,214,039.15 = 2,146,697.67/x
  3. Step 3: Cross multiply
    3,778,288.17x = 5,214,039.15 × 2,146,697.67
  4. Step 4: Simplify right side
    3,778,288.17x = 11,192,965,694,593.78
  5. Step 5: Solve for x
    x = 11,192,965,694,593.78/3,778,288.17
  6. Step 6: Final answer
    x = 2,962,443.62

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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.