Home / 2,145,269.91-2,959,749.75-1,214,850.25

Finding the Fourth Proportional to 2,145,269.91, 2,959,749.75 and 1,214,850.25

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Solution

The fourth proportional to 2,145,269.91, 2,959,749.75 and 1,214,850.25 is: 1,676,084.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,145,269.91 : 2,959,749.75 = 1,214,850.25 : x
  2. Step 2: Convert to fraction form
    2,145,269.91/2,959,749.75 = 1,214,850.25/x
  3. Step 3: Cross multiply
    2,145,269.91x = 2,959,749.75 × 1,214,850.25
  4. Step 4: Simplify right side
    2,145,269.91x = 3,595,652,719,362.69
  5. Step 5: Solve for x
    x = 3,595,652,719,362.69/2,145,269.91
  6. Step 6: Final answer
    x = 1,676,084.07

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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.