Home / 2,086,246.92-3,129,214.86-666,453

Finding the Fourth Proportional to 2,086,246.92, 3,129,214.86 and 666,453

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Solution

The fourth proportional to 2,086,246.92, 3,129,214.86 and 666,453 is: 999,629.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,086,246.92 : 3,129,214.86 = 666,453 : x
  2. Step 2: Convert to fraction form
    2,086,246.92/3,129,214.86 = 666,453/x
  3. Step 3: Cross multiply
    2,086,246.92x = 3,129,214.86 × 666,453
  4. Step 4: Simplify right side
    2,086,246.92x = 2,085,474,631,091.58
  5. Step 5: Solve for x
    x = 2,085,474,631,091.58/2,086,246.92
  6. Step 6: Final answer
    x = 999,629.82

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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.