Home / 2,166,366.91-2,989,754.66-1,199,587.15

Finding the Fourth Proportional to 2,166,366.91, 2,989,754.66 and 1,199,587.15

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Solution

The fourth proportional to 2,166,366.91, 2,989,754.66 and 1,199,587.15 is: 1,655,523.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,166,366.91 : 2,989,754.66 = 1,199,587.15 : x
  2. Step 2: Convert to fraction form
    2,166,366.91/2,989,754.66 = 1,199,587.15/x
  3. Step 3: Cross multiply
    2,166,366.91x = 2,989,754.66 × 1,199,587.15
  4. Step 4: Simplify right side
    2,166,366.91x = 3,586,471,265,790.68
  5. Step 5: Solve for x
    x = 3,586,471,265,790.68/2,166,366.91
  6. Step 6: Final answer
    x = 1,655,523.47

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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.