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Finding the Fourth Proportional to 5,306,504.14, 7,958,978.60 and 2,610,105.58

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Solution

The fourth proportional to 5,306,504.14, 7,958,978.60 and 2,610,105.58 is: 3,914,775.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,306,504.14 : 7,958,978.60 = 2,610,105.58 : x
  2. Step 2: Convert to fraction form
    5,306,504.14/7,958,978.60 = 2,610,105.58/x
  3. Step 3: Cross multiply
    5,306,504.14x = 7,958,978.60 × 2,610,105.58
  4. Step 4: Simplify right side
    5,306,504.14x = 20,773,774,454,960.59
  5. Step 5: Solve for x
    x = 20,773,774,454,960.59/5,306,504.14
  6. Step 6: Final answer
    x = 3,914,775.89

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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.