Home / 1,646,472.60-2,469,708.90-1,081,424.70

Finding the Fourth Proportional to 1,646,472.60, 2,469,708.90 and 1,081,424.70

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Solution

The fourth proportional to 1,646,472.60, 2,469,708.90 and 1,081,424.70 is: 1,622,137.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,646,472.60 : 2,469,708.90 = 1,081,424.70 : x
  2. Step 2: Convert to fraction form
    1,646,472.60/2,469,708.90 = 1,081,424.70/x
  3. Step 3: Cross multiply
    1,646,472.60x = 2,469,708.90 × 1,081,424.70
  4. Step 4: Simplify right side
    1,646,472.60x = 2,670,804,206,269.83
  5. Step 5: Solve for x
    x = 2,670,804,206,269.83/1,646,472.60
  6. Step 6: Final answer
    x = 1,622,137.05

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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.