Home / 2,086,708.38-3,130,511.46-647,362.86

Finding the Fourth Proportional to 2,086,708.38, 3,130,511.46 and 647,362.86

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Solution

The fourth proportional to 2,086,708.38, 3,130,511.46 and 647,362.86 is: 971,183.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,086,708.38 : 3,130,511.46 = 647,362.86 : x
  2. Step 2: Convert to fraction form
    2,086,708.38/3,130,511.46 = 647,362.86/x
  3. Step 3: Cross multiply
    2,086,708.38x = 3,130,511.46 × 647,362.86
  4. Step 4: Simplify right side
    2,086,708.38x = 2,026,576,852,008.38
  5. Step 5: Solve for x
    x = 2,026,576,852,008.38/2,086,708.38
  6. Step 6: Final answer
    x = 971,183.55

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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.