Home / 2,981,273.56-4,113,949.98-1,692,140.20

Finding the Fourth Proportional to 2,981,273.56, 4,113,949.98 and 1,692,140.20

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Solution

The fourth proportional to 2,981,273.56, 4,113,949.98 and 1,692,140.20 is: 2,335,035.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,981,273.56 : 4,113,949.98 = 1,692,140.20 : x
  2. Step 2: Convert to fraction form
    2,981,273.56/4,113,949.98 = 1,692,140.20/x
  3. Step 3: Cross multiply
    2,981,273.56x = 4,113,949.98 × 1,692,140.20
  4. Step 4: Simplify right side
    2,981,273.56x = 6,961,380,141,947.20
  5. Step 5: Solve for x
    x = 6,961,380,141,947.20/2,981,273.56
  6. Step 6: Final answer
    x = 2,335,035.68

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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.