Home / 3,211,225.82-4,816,854.82-815,071.16

Finding the Fourth Proportional to 3,211,225.82, 4,816,854.82 and 815,071.16

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Solution

The fourth proportional to 3,211,225.82, 4,816,854.82 and 815,071.16 is: 1,222,610.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,211,225.82 : 4,816,854.82 = 815,071.16 : x
  2. Step 2: Convert to fraction form
    3,211,225.82/4,816,854.82 = 815,071.16/x
  3. Step 3: Cross multiply
    3,211,225.82x = 4,816,854.82 × 815,071.16
  4. Step 4: Simplify right side
    3,211,225.82x = 3,926,079,445,688.99
  5. Step 5: Solve for x
    x = 3,926,079,445,688.99/3,211,225.82
  6. Step 6: Final answer
    x = 1,222,610.83

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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.