Home / 2,145,800.06-2,959,972.28-1,339,584.38

Finding the Fourth Proportional to 2,145,800.06, 2,959,972.28 and 1,339,584.38

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Solution

The fourth proportional to 2,145,800.06, 2,959,972.28 and 1,339,584.38 is: 1,847,857.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,145,800.06 : 2,959,972.28 = 1,339,584.38 : x
  2. Step 2: Convert to fraction form
    2,145,800.06/2,959,972.28 = 1,339,584.38/x
  3. Step 3: Cross multiply
    2,145,800.06x = 2,959,972.28 × 1,339,584.38
  4. Step 4: Simplify right side
    2,145,800.06x = 3,965,132,631,520.99
  5. Step 5: Solve for x
    x = 3,965,132,631,520.99/2,145,800.06
  6. Step 6: Final answer
    x = 1,847,857.45

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1.5x scale

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.