Home / 2,159,467.45-3,236,710.06-810,769.87

Finding the Fourth Proportional to 2,159,467.45, 3,236,710.06 and 810,769.87

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Solution

The fourth proportional to 2,159,467.45, 3,236,710.06 and 810,769.87 is: 1,215,219.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,159,467.45 : 3,236,710.06 = 810,769.87 : x
  2. Step 2: Convert to fraction form
    2,159,467.45/3,236,710.06 = 810,769.87/x
  3. Step 3: Cross multiply
    2,159,467.45x = 3,236,710.06 × 810,769.87
  4. Step 4: Simplify right side
    2,159,467.45x = 2,624,226,976,363.42
  5. Step 5: Solve for x
    x = 2,624,226,976,363.42/2,159,467.45
  6. Step 6: Final answer
    x = 1,215,219.51

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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.