Home / 2,134,623.70-2,945,850.42-1,216,836.06

Finding the Fourth Proportional to 2,134,623.70, 2,945,850.42 and 1,216,836.06

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Solution

The fourth proportional to 2,134,623.70, 2,945,850.42 and 1,216,836.06 is: 1,679,273.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,134,623.70 : 2,945,850.42 = 1,216,836.06 : x
  2. Step 2: Convert to fraction form
    2,134,623.70/2,945,850.42 = 1,216,836.06/x
  3. Step 3: Cross multiply
    2,134,623.70x = 2,945,850.42 × 1,216,836.06
  4. Step 4: Simplify right side
    2,134,623.70x = 3,584,617,018,422.15
  5. Step 5: Solve for x
    x = 3,584,617,018,422.15/2,134,623.70
  6. Step 6: Final answer
    x = 1,679,273.50

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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.