Home / 2,638,253.78-3,635,814.38-2,114,369.32

Finding the Fourth Proportional to 2,638,253.78, 3,635,814.38 and 2,114,369.32

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Solution

The fourth proportional to 2,638,253.78, 3,635,814.38 and 2,114,369.32 is: 2,913,841.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,638,253.78 : 3,635,814.38 = 2,114,369.32 : x
  2. Step 2: Convert to fraction form
    2,638,253.78/3,635,814.38 = 2,114,369.32/x
  3. Step 3: Cross multiply
    2,638,253.78x = 3,635,814.38 × 2,114,369.32
  4. Step 4: Simplify right side
    2,638,253.78x = 7,687,454,378,286.82
  5. Step 5: Solve for x
    x = 7,687,454,378,286.82/2,638,253.78
  6. Step 6: Final answer
    x = 2,913,841.89

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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.