Home / 3,111,315.23-4,292,088.89-2,079,076.41

Finding the Fourth Proportional to 3,111,315.23, 4,292,088.89 and 2,079,076.41

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Solution

The fourth proportional to 3,111,315.23, 4,292,088.89 and 2,079,076.41 is: 2,868,105.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,111,315.23 : 4,292,088.89 = 2,079,076.41 : x
  2. Step 2: Convert to fraction form
    3,111,315.23/4,292,088.89 = 2,079,076.41/x
  3. Step 3: Cross multiply
    3,111,315.23x = 4,292,088.89 × 2,079,076.41
  4. Step 4: Simplify right side
    3,111,315.23x = 8,923,580,750,426.70
  5. Step 5: Solve for x
    x = 8,923,580,750,426.70/3,111,315.23
  6. Step 6: Final answer
    x = 2,868,105.63

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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.