Home / 3,639,457.91-5,458,990.03-1,115,120.45

Finding the Fourth Proportional to 3,639,457.91, 5,458,990.03 and 1,115,120.45

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Solution

The fourth proportional to 3,639,457.91, 5,458,990.03 and 1,115,120.45 is: 1,672,620.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,639,457.91 : 5,458,990.03 = 1,115,120.45 : x
  2. Step 2: Convert to fraction form
    3,639,457.91/5,458,990.03 = 1,115,120.45/x
  3. Step 3: Cross multiply
    3,639,457.91x = 5,458,990.03 × 1,115,120.45
  4. Step 4: Simplify right side
    3,639,457.91x = 6,087,431,418,799.11
  5. Step 5: Solve for x
    x = 6,087,431,418,799.11/3,639,457.91
  6. Step 6: Final answer
    x = 1,672,620.37

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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.