Home / 3,909,531.71-5,391,953.84-2,751,810.12

Finding the Fourth Proportional to 3,909,531.71, 5,391,953.84 and 2,751,810.12

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Solution

The fourth proportional to 3,909,531.71, 5,391,953.84 and 2,751,810.12 is: 3,795,245.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,909,531.71 : 5,391,953.84 = 2,751,810.12 : x
  2. Step 2: Convert to fraction form
    3,909,531.71/5,391,953.84 = 2,751,810.12/x
  3. Step 3: Cross multiply
    3,909,531.71x = 5,391,953.84 × 2,751,810.12
  4. Step 4: Simplify right side
    3,909,531.71x = 14,837,633,129,725.81
  5. Step 5: Solve for x
    x = 14,837,633,129,725.81/3,909,531.71
  6. Step 6: Final answer
    x = 3,795,245.63

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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.