Home / 7,310,194.56-10,965,654.71-1,918,860.48

Finding the Fourth Proportional to 7,310,194.56, 10,965,654.71 and 1,918,860.48

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Solution

The fourth proportional to 7,310,194.56, 10,965,654.71 and 1,918,860.48 is: 2,878,385.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,310,194.56 : 10,965,654.71 = 1,918,860.48 : x
  2. Step 2: Convert to fraction form
    7,310,194.56/10,965,654.71 = 1,918,860.48/x
  3. Step 3: Cross multiply
    7,310,194.56x = 10,965,654.71 × 1,918,860.48
  4. Step 4: Simplify right side
    7,310,194.56x = 21,041,561,460,344.86
  5. Step 5: Solve for x
    x = 21,041,561,460,344.86/7,310,194.56
  6. Step 6: Final answer
    x = 2,878,385.97

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.