Home / 3,759,926.73-5,188,714.47-2,128,648.90

Finding the Fourth Proportional to 3,759,926.73, 5,188,714.47 and 2,128,648.90

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Solution

The fourth proportional to 3,759,926.73, 5,188,714.47 and 2,128,648.90 is: 2,937,544.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,759,926.73 : 5,188,714.47 = 2,128,648.90 : x
  2. Step 2: Convert to fraction form
    3,759,926.73/5,188,714.47 = 2,128,648.90/x
  3. Step 3: Cross multiply
    3,759,926.73x = 5,188,714.47 × 2,128,648.90
  4. Step 4: Simplify right side
    3,759,926.73x = 11,044,951,323,036.01
  5. Step 5: Solve for x
    x = 11,044,951,323,036.01/3,759,926.73
  6. Step 6: Final answer
    x = 2,937,544.30

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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.