Home / 2,977,481.16-4,109,860.62-1,689,177.78

Finding the Fourth Proportional to 2,977,481.16, 4,109,860.62 and 1,689,177.78

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Solution

The fourth proportional to 2,977,481.16, 4,109,860.62 and 1,689,177.78 is: 2,331,596.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,977,481.16 : 4,109,860.62 = 1,689,177.78 : x
  2. Step 2: Convert to fraction form
    2,977,481.16/4,109,860.62 = 1,689,177.78/x
  3. Step 3: Cross multiply
    2,977,481.16x = 4,109,860.62 × 1,689,177.78
  4. Step 4: Simplify right side
    2,977,481.16x = 6,942,285,238,201.02
  5. Step 5: Solve for x
    x = 6,942,285,238,201.02/2,977,481.16
  6. Step 6: Final answer
    x = 2,331,596.70

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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.