Home / 3,688,619.22-5,091,106.77-2,397,215.70

Finding the Fourth Proportional to 3,688,619.22, 5,091,106.77 and 2,397,215.70

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Solution

The fourth proportional to 3,688,619.22, 5,091,106.77 and 2,397,215.70 is: 3,308,685.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,688,619.22 : 5,091,106.77 = 2,397,215.70 : x
  2. Step 2: Convert to fraction form
    3,688,619.22/5,091,106.77 = 2,397,215.70/x
  3. Step 3: Cross multiply
    3,688,619.22x = 5,091,106.77 × 2,397,215.70
  4. Step 4: Simplify right side
    3,688,619.22x = 12,204,481,079,420.29
  5. Step 5: Solve for x
    x = 12,204,481,079,420.29/3,688,619.22
  6. Step 6: Final answer
    x = 3,308,685.54

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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.