Home / 2,171,705.77-2,997,313.71-1,205,146.54

Finding the Fourth Proportional to 2,171,705.77, 2,997,313.71 and 1,205,146.54

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Solution

The fourth proportional to 2,171,705.77, 2,997,313.71 and 1,205,146.54 is: 1,663,301.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,171,705.77 : 2,997,313.71 = 1,205,146.54 : x
  2. Step 2: Convert to fraction form
    2,171,705.77/2,997,313.71 = 1,205,146.54/x
  3. Step 3: Cross multiply
    2,171,705.77x = 2,997,313.71 × 1,205,146.54
  4. Step 4: Simplify right side
    2,171,705.77x = 3,612,202,246,901.06
  5. Step 5: Solve for x
    x = 3,612,202,246,901.06/2,171,705.77
  6. Step 6: Final answer
    x = 1,663,301.86

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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.