Home / 2,193,512.55-3,026,990.86-1,213,426.12

Finding the Fourth Proportional to 2,193,512.55, 3,026,990.86 and 1,213,426.12

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Solution

The fourth proportional to 2,193,512.55, 3,026,990.86 and 1,213,426.12 is: 1,674,496.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,193,512.55 : 3,026,990.86 = 1,213,426.12 : x
  2. Step 2: Convert to fraction form
    2,193,512.55/3,026,990.86 = 1,213,426.12/x
  3. Step 3: Cross multiply
    2,193,512.55x = 3,026,990.86 × 1,213,426.12
  4. Step 4: Simplify right side
    2,193,512.55x = 3,673,029,769,599.83
  5. Step 5: Solve for x
    x = 3,673,029,769,599.83/2,193,512.55
  6. Step 6: Final answer
    x = 1,674,496.81

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Double scale
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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.