Home / 2,230,615.78-3,078,277.80-1,212,037.54

Finding the Fourth Proportional to 2,230,615.78, 3,078,277.80 and 1,212,037.54

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Solution

The fourth proportional to 2,230,615.78, 3,078,277.80 and 1,212,037.54 is: 1,672,627.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,230,615.78 : 3,078,277.80 = 1,212,037.54 : x
  2. Step 2: Convert to fraction form
    2,230,615.78/3,078,277.80 = 1,212,037.54/x
  3. Step 3: Cross multiply
    2,230,615.78x = 3,078,277.80 × 1,212,037.54
  4. Step 4: Simplify right side
    2,230,615.78x = 3,730,988,252,148.61
  5. Step 5: Solve for x
    x = 3,730,988,252,148.61/2,230,615.78
  6. Step 6: Final answer
    x = 1,672,627.03

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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.