Home / 5,298,813.40-7,313,316.76-3,123,229.54

Finding the Fourth Proportional to 5,298,813.40, 7,313,316.76 and 3,123,229.54

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Solution

The fourth proportional to 5,298,813.40, 7,313,316.76 and 3,123,229.54 is: 4,310,619.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,298,813.40 : 7,313,316.76 = 3,123,229.54 : x
  2. Step 2: Convert to fraction form
    5,298,813.40/7,313,316.76 = 3,123,229.54/x
  3. Step 3: Cross multiply
    5,298,813.40x = 7,313,316.76 × 3,123,229.54
  4. Step 4: Simplify right side
    5,298,813.40x = 22,841,166,940,209.09
  5. Step 5: Solve for x
    x = 22,841,166,940,209.09/5,298,813.40
  6. Step 6: Final answer
    x = 4,310,619.23

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.