Home / 3,111,320.46-4,292,096.16-2,079,081.66

Finding the Fourth Proportional to 3,111,320.46, 4,292,096.16 and 2,079,081.66

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Solution

The fourth proportional to 3,111,320.46, 4,292,096.16 and 2,079,081.66 is: 2,868,112.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,111,320.46 : 4,292,096.16 = 2,079,081.66 : x
  2. Step 2: Convert to fraction form
    3,111,320.46/4,292,096.16 = 2,079,081.66/x
  3. Step 3: Cross multiply
    3,111,320.46x = 4,292,096.16 × 2,079,081.66
  4. Step 4: Simplify right side
    3,111,320.46x = 8,923,618,409,212.43
  5. Step 5: Solve for x
    x = 8,923,618,409,212.43/3,111,320.46
  6. Step 6: Final answer
    x = 2,868,112.92

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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.