Home / 3,117,819.78-4,672,962.63-1,517,985.54

Finding the Fourth Proportional to 3,117,819.78, 4,672,962.63 and 1,517,985.54

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Solution

The fourth proportional to 3,117,819.78, 4,672,962.63 and 1,517,985.54 is: 2,275,144.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,117,819.78 : 4,672,962.63 = 1,517,985.54 : x
  2. Step 2: Convert to fraction form
    3,117,819.78/4,672,962.63 = 1,517,985.54/x
  3. Step 3: Cross multiply
    3,117,819.78x = 4,672,962.63 × 1,517,985.54
  4. Step 4: Simplify right side
    3,117,819.78x = 7,093,489,701,300.37
  5. Step 5: Solve for x
    x = 7,093,489,701,300.37/3,117,819.78
  6. Step 6: Final answer
    x = 2,275,144.24

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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.