Home / 3,418,736.86-5,126,211.84-1,398,399.22

Finding the Fourth Proportional to 3,418,736.86, 5,126,211.84 and 1,398,399.22

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Solution

The fourth proportional to 3,418,736.86, 5,126,211.84 and 1,398,399.22 is: 2,096,824.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,418,736.86 : 5,126,211.84 = 1,398,399.22 : x
  2. Step 2: Convert to fraction form
    3,418,736.86/5,126,211.84 = 1,398,399.22/x
  3. Step 3: Cross multiply
    3,418,736.86x = 5,126,211.84 × 1,398,399.22
  4. Step 4: Simplify right side
    3,418,736.86x = 7,168,490,638,610.77
  5. Step 5: Solve for x
    x = 7,168,490,638,610.77/3,418,736.86
  6. Step 6: Final answer
    x = 2,096,824.33

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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.