Home / 2,811,215.82-3,879,472.68-1,522,056

Finding the Fourth Proportional to 2,811,215.82, 3,879,472.68 and 1,522,056

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Solution

The fourth proportional to 2,811,215.82, 3,879,472.68 and 1,522,056 is: 2,100,434.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,811,215.82 : 3,879,472.68 = 1,522,056 : x
  2. Step 2: Convert to fraction form
    2,811,215.82/3,879,472.68 = 1,522,056/x
  3. Step 3: Cross multiply
    2,811,215.82x = 3,879,472.68 × 1,522,056
  4. Step 4: Simplify right side
    2,811,215.82x = 5,904,774,669,430.08
  5. Step 5: Solve for x
    x = 5,904,774,669,430.08/2,811,215.82
  6. Step 6: Final answer
    x = 2,100,434.49

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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.