Home / 2,143,703.55-3,213,109.26-863,491.17

Finding the Fourth Proportional to 2,143,703.55, 3,213,109.26 and 863,491.17

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Solution

The fourth proportional to 2,143,703.55, 3,213,109.26 and 863,491.17 is: 1,294,251.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,143,703.55 : 3,213,109.26 = 863,491.17 : x
  2. Step 2: Convert to fraction form
    2,143,703.55/3,213,109.26 = 863,491.17/x
  3. Step 3: Cross multiply
    2,143,703.55x = 3,213,109.26 × 863,491.17
  4. Step 4: Simplify right side
    2,143,703.55x = 2,774,491,474,255.23
  5. Step 5: Solve for x
    x = 2,774,491,474,255.23/2,143,703.55
  6. Step 6: Final answer
    x = 1,294,251.47

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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.