Home / 2,138,517.46-2,951,154.03-1,171,684.36

Finding the Fourth Proportional to 2,138,517.46, 2,951,154.03 and 1,171,684.36

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Solution

The fourth proportional to 2,138,517.46, 2,951,154.03 and 1,171,684.36 is: 1,616,924.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,138,517.46 : 2,951,154.03 = 1,171,684.36 : x
  2. Step 2: Convert to fraction form
    2,138,517.46/2,951,154.03 = 1,171,684.36/x
  3. Step 3: Cross multiply
    2,138,517.46x = 2,951,154.03 × 1,171,684.36
  4. Step 4: Simplify right side
    2,138,517.46x = 3,457,821,020,901.97
  5. Step 5: Solve for x
    x = 3,457,821,020,901.97/2,138,517.46
  6. Step 6: Final answer
    x = 1,616,924.38

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1.5x scale

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.