Home / 3,111,312.71-4,292,085.46-2,079,073.91

Finding the Fourth Proportional to 3,111,312.71, 4,292,085.46 and 2,079,073.91

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Solution

The fourth proportional to 3,111,312.71, 4,292,085.46 and 2,079,073.91 is: 2,868,102.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,111,312.71 : 4,292,085.46 = 2,079,073.91 : x
  2. Step 2: Convert to fraction form
    3,111,312.71/4,292,085.46 = 2,079,073.91/x
  3. Step 3: Cross multiply
    3,111,312.71x = 4,292,085.46 × 2,079,073.91
  4. Step 4: Simplify right side
    3,111,312.71x = 8,923,562,899,376.35
  5. Step 5: Solve for x
    x = 8,923,562,899,376.35/3,111,312.71
  6. Step 6: Final answer
    x = 2,868,102.22

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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.