Home / 2,216,985-3,060,469.22-1,299,086.75

Finding the Fourth Proportional to 2,216,985, 3,060,469.22 and 1,299,086.75

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Solution

The fourth proportional to 2,216,985, 3,060,469.22 and 1,299,086.75 is: 1,793,343.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,216,985 : 3,060,469.22 = 1,299,086.75 : x
  2. Step 2: Convert to fraction form
    2,216,985/3,060,469.22 = 1,299,086.75/x
  3. Step 3: Cross multiply
    2,216,985x = 3,060,469.22 × 1,299,086.75
  4. Step 4: Simplify right side
    2,216,985x = 3,975,815,012,484.84
  5. Step 5: Solve for x
    x = 3,975,815,012,484.84/2,216,985
  6. Step 6: Final answer
    x = 1,793,343.22

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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.