Home / 3,896,231.43-5,376,333.54-2,153,665.47

Finding the Fourth Proportional to 3,896,231.43, 5,376,333.54 and 2,153,665.47

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Solution

The fourth proportional to 3,896,231.43, 5,376,333.54 and 2,153,665.47 is: 2,971,800.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,896,231.43 : 5,376,333.54 = 2,153,665.47 : x
  2. Step 2: Convert to fraction form
    3,896,231.43/5,376,333.54 = 2,153,665.47/x
  3. Step 3: Cross multiply
    3,896,231.43x = 5,376,333.54 × 2,153,665.47
  4. Step 4: Simplify right side
    3,896,231.43x = 11,578,823,900,300.87
  5. Step 5: Solve for x
    x = 11,578,823,900,300.87/3,896,231.43
  6. Step 6: Final answer
    x = 2,971,800.86

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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.