Home / 2,190,420.87-3,020,817.13-1,824,110.97

Finding the Fourth Proportional to 2,190,420.87, 3,020,817.13 and 1,824,110.97

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Solution

The fourth proportional to 2,190,420.87, 3,020,817.13 and 1,824,110.97 is: 2,515,637.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,190,420.87 : 3,020,817.13 = 1,824,110.97 : x
  2. Step 2: Convert to fraction form
    2,190,420.87/3,020,817.13 = 1,824,110.97/x
  3. Step 3: Cross multiply
    2,190,420.87x = 3,020,817.13 × 1,824,110.97
  4. Step 4: Simplify right side
    2,190,420.87x = 5,510,305,665,196.92
  5. Step 5: Solve for x
    x = 5,510,305,665,196.92/2,190,420.87
  6. Step 6: Final answer
    x = 2,515,637.86

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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.