Home / 3,896,231.92-5,376,334.22-2,153,665.96

Finding the Fourth Proportional to 3,896,231.92, 5,376,334.22 and 2,153,665.96

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Solution

The fourth proportional to 3,896,231.92, 5,376,334.22 and 2,153,665.96 is: 2,971,801.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,896,231.92 : 5,376,334.22 = 2,153,665.96 : x
  2. Step 2: Convert to fraction form
    3,896,231.92/5,376,334.22 = 2,153,665.96/x
  3. Step 3: Cross multiply
    3,896,231.92x = 5,376,334.22 × 2,153,665.96
  4. Step 4: Simplify right side
    3,896,231.92x = 11,578,827,999,197.15
  5. Step 5: Solve for x
    x = 11,578,827,999,197.15/3,896,231.92
  6. Step 6: Final answer
    x = 2,971,801.53

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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.