Home / 5,245,969.11-7,870,014.42-2,213,342.47

Finding the Fourth Proportional to 5,245,969.11, 7,870,014.42 and 2,213,342.47

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Solution

The fourth proportional to 5,245,969.11, 7,870,014.42 and 2,213,342.47 is: 3,320,461.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,245,969.11 : 7,870,014.42 = 2,213,342.47 : x
  2. Step 2: Convert to fraction form
    5,245,969.11/7,870,014.42 = 2,213,342.47/x
  3. Step 3: Cross multiply
    5,245,969.11x = 7,870,014.42 × 2,213,342.47
  4. Step 4: Simplify right side
    5,245,969.11x = 17,419,037,155,298.42
  5. Step 5: Solve for x
    x = 17,419,037,155,298.42/5,245,969.11
  6. Step 6: Final answer
    x = 3,320,461.25

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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.