Home / 2,638,255.78-3,635,817.13-2,114,371.32

Finding the Fourth Proportional to 2,638,255.78, 3,635,817.13 and 2,114,371.32

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Solution

The fourth proportional to 2,638,255.78, 3,635,817.13 and 2,114,371.32 is: 2,913,844.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,638,255.78 : 3,635,817.13 = 2,114,371.32 : x
  2. Step 2: Convert to fraction form
    2,638,255.78/3,635,817.13 = 2,114,371.32/x
  3. Step 3: Cross multiply
    2,638,255.78x = 3,635,817.13 × 2,114,371.32
  4. Step 4: Simplify right side
    2,638,255.78x = 7,687,467,464,436.71
  5. Step 5: Solve for x
    x = 7,687,467,464,436.71/2,638,255.78
  6. Step 6: Final answer
    x = 2,913,844.64

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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.