Home / 3,862,600.47-5,330,140.34-2,143,722.15

Finding the Fourth Proportional to 3,862,600.47, 5,330,140.34 and 2,143,722.15

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Solution

The fourth proportional to 3,862,600.47, 5,330,140.34 and 2,143,722.15 is: 2,958,198.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,862,600.47 : 5,330,140.34 = 2,143,722.15 : x
  2. Step 2: Convert to fraction form
    3,862,600.47/5,330,140.34 = 2,143,722.15/x
  3. Step 3: Cross multiply
    3,862,600.47x = 5,330,140.34 × 2,143,722.15
  4. Step 4: Simplify right side
    3,862,600.47x = 11,426,339,898,747.92
  5. Step 5: Solve for x
    x = 11,426,339,898,747.92/3,862,600.47
  6. Step 6: Final answer
    x = 2,958,198.75

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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.