Home / 3,736,853.86-5,156,834.84-2,105,785.16

Finding the Fourth Proportional to 3,736,853.86, 5,156,834.84 and 2,105,785.16

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Solution

The fourth proportional to 3,736,853.86, 5,156,834.84 and 2,105,785.16 is: 2,905,970.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,736,853.86 : 5,156,834.84 = 2,105,785.16 : x
  2. Step 2: Convert to fraction form
    3,736,853.86/5,156,834.84 = 2,105,785.16/x
  3. Step 3: Cross multiply
    3,736,853.86x = 5,156,834.84 × 2,105,785.16
  4. Step 4: Simplify right side
    3,736,853.86x = 10,859,186,278,642.97
  5. Step 5: Solve for x
    x = 10,859,186,278,642.97/3,736,853.86
  6. Step 6: Final answer
    x = 2,905,970.29

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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.