Home / 3,818,835.29-5,269,986.28-2,187,770.69

Finding the Fourth Proportional to 3,818,835.29, 5,269,986.28 and 2,187,770.69

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Solution

The fourth proportional to 3,818,835.29, 5,269,986.28 and 2,187,770.69 is: 3,019,119.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,818,835.29 : 5,269,986.28 = 2,187,770.69 : x
  2. Step 2: Convert to fraction form
    3,818,835.29/5,269,986.28 = 2,187,770.69/x
  3. Step 3: Cross multiply
    3,818,835.29x = 5,269,986.28 × 2,187,770.69
  4. Step 4: Simplify right side
    3,818,835.29x = 11,529,521,520,086.13
  5. Step 5: Solve for x
    x = 11,529,521,520,086.13/3,818,835.29
  6. Step 6: Final answer
    x = 3,019,119.87

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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.