Home / 2,857,956.78-3,943,930.86-1,551,180.79

Finding the Fourth Proportional to 2,857,956.78, 3,943,930.86 and 1,551,180.79

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Solution

The fourth proportional to 2,857,956.78, 3,943,930.86 and 1,551,180.79 is: 2,140,602.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,857,956.78 : 3,943,930.86 = 1,551,180.79 : x
  2. Step 2: Convert to fraction form
    2,857,956.78/3,943,930.86 = 1,551,180.79/x
  3. Step 3: Cross multiply
    2,857,956.78x = 3,943,930.86 × 1,551,180.79
  4. Step 4: Simplify right side
    2,857,956.78x = 6,117,749,777,260.35
  5. Step 5: Solve for x
    x = 6,117,749,777,260.35/2,857,956.78
  6. Step 6: Final answer
    x = 2,140,602.62

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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.