Home / 3,868,665.39-5,338,813.73-2,126,496.11

Finding the Fourth Proportional to 3,868,665.39, 5,338,813.73 and 2,126,496.11

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Solution

The fourth proportional to 3,868,665.39, 5,338,813.73 and 2,126,496.11 is: 2,934,595.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,868,665.39 : 5,338,813.73 = 2,126,496.11 : x
  2. Step 2: Convert to fraction form
    3,868,665.39/5,338,813.73 = 2,126,496.11/x
  3. Step 3: Cross multiply
    3,868,665.39x = 5,338,813.73 × 2,126,496.11
  4. Step 4: Simplify right side
    3,868,665.39x = 11,352,966,591,533.04
  5. Step 5: Solve for x
    x = 11,352,966,591,533.04/3,868,665.39
  6. Step 6: Final answer
    x = 2,934,595.12

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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.