Home / 3,985,471.12-5,500,071.24-2,266,838.80

Finding the Fourth Proportional to 3,985,471.12, 5,500,071.24 and 2,266,838.80

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Solution

The fourth proportional to 3,985,471.12, 5,500,071.24 and 2,266,838.80 is: 3,128,306.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,985,471.12 : 5,500,071.24 = 2,266,838.80 : x
  2. Step 2: Convert to fraction form
    3,985,471.12/5,500,071.24 = 2,266,838.80/x
  3. Step 3: Cross multiply
    3,985,471.12x = 5,500,071.24 × 2,266,838.80
  4. Step 4: Simplify right side
    3,985,471.12x = 12,467,774,889,596.11
  5. Step 5: Solve for x
    x = 12,467,774,889,596.11/3,985,471.12
  6. Step 6: Final answer
    x = 3,128,306.42

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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.