Home / 5,281,837.47-7,923,892.89-1,638,494.73

Finding the Fourth Proportional to 5,281,837.47, 7,923,892.89 and 1,638,494.73

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Solution

The fourth proportional to 5,281,837.47, 7,923,892.89 and 1,638,494.73 is: 2,458,094.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,281,837.47 : 7,923,892.89 = 1,638,494.73 : x
  2. Step 2: Convert to fraction form
    5,281,837.47/7,923,892.89 = 1,638,494.73/x
  3. Step 3: Cross multiply
    5,281,837.47x = 7,923,892.89 × 1,638,494.73
  4. Step 4: Simplify right side
    5,281,837.47x = 12,983,256,741,349.47
  5. Step 5: Solve for x
    x = 12,983,256,741,349.47/5,281,837.47
  6. Step 6: Final answer
    x = 2,458,094.71

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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.