Home / 3,142,367.16-4,336,129.92-2,109,665.76

Finding the Fourth Proportional to 3,142,367.16, 4,336,129.92 and 2,109,665.76

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Solution

The fourth proportional to 3,142,367.16, 4,336,129.92 and 2,109,665.76 is: 2,911,112.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,142,367.16 : 4,336,129.92 = 2,109,665.76 : x
  2. Step 2: Convert to fraction form
    3,142,367.16/4,336,129.92 = 2,109,665.76/x
  3. Step 3: Cross multiply
    3,142,367.16x = 4,336,129.92 × 2,109,665.76
  4. Step 4: Simplify right side
    3,142,367.16x = 9,147,784,823,135.54
  5. Step 5: Solve for x
    x = 9,147,784,823,135.54/3,142,367.16
  6. Step 6: Final answer
    x = 2,911,112.66

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1.5x scale

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.