Home / 2,631,183-3,947,398.50-858,255

Finding the Fourth Proportional to 2,631,183, 3,947,398.50 and 858,255

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Solution

The fourth proportional to 2,631,183, 3,947,398.50 and 858,255 is: 1,287,586.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,631,183 : 3,947,398.50 = 858,255 : x
  2. Step 2: Convert to fraction form
    2,631,183/3,947,398.50 = 858,255/x
  3. Step 3: Cross multiply
    2,631,183x = 3,947,398.50 × 858,255
  4. Step 4: Simplify right side
    2,631,183x = 3,387,874,499,617.50
  5. Step 5: Solve for x
    x = 3,387,874,499,617.50/2,631,183
  6. Step 6: Final answer
    x = 1,287,586.04

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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.