Home / 2,857,900-3,943,960.59-1,617,510.26

Finding the Fourth Proportional to 2,857,900, 3,943,960.59 and 1,617,510.26

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Solution

The fourth proportional to 2,857,900, 3,943,960.59 and 1,617,510.26 is: 2,232,197.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,857,900 : 3,943,960.59 = 1,617,510.26 : x
  2. Step 2: Convert to fraction form
    2,857,900/3,943,960.59 = 1,617,510.26/x
  3. Step 3: Cross multiply
    2,857,900x = 3,943,960.59 × 1,617,510.26
  4. Step 4: Simplify right side
    2,857,900x = 6,379,396,711,273.10
  5. Step 5: Solve for x
    x = 6,379,396,711,273.10/2,857,900
  6. Step 6: Final answer
    x = 2,232,197.32

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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.