Home / 2,138,529.96-2,951,171.28-1,171,696.86

Finding the Fourth Proportional to 2,138,529.96, 2,951,171.28 and 1,171,696.86

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Solution

The fourth proportional to 2,138,529.96, 2,951,171.28 and 1,171,696.86 is: 1,616,941.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,138,529.96 : 2,951,171.28 = 1,171,696.86 : x
  2. Step 2: Convert to fraction form
    2,138,529.96/2,951,171.28 = 1,171,696.86/x
  3. Step 3: Cross multiply
    2,138,529.96x = 2,951,171.28 × 1,171,696.86
  4. Step 4: Simplify right side
    2,138,529.96x = 3,457,878,122,098.18
  5. Step 5: Solve for x
    x = 3,457,878,122,098.18/2,138,529.96
  6. Step 6: Final answer
    x = 1,616,941.63

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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.