Home / 2,162,284.74-2,983,936.32-1,195,455.78

Finding the Fourth Proportional to 2,162,284.74, 2,983,936.32 and 1,195,455.78

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Solution

The fourth proportional to 2,162,284.74, 2,983,936.32 and 1,195,455.78 is: 1,649,719.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,162,284.74 : 2,983,936.32 = 1,195,455.78 : x
  2. Step 2: Convert to fraction form
    2,162,284.74/2,983,936.32 = 1,195,455.78/x
  3. Step 3: Cross multiply
    2,162,284.74x = 2,983,936.32 × 1,195,455.78
  4. Step 4: Simplify right side
    2,162,284.74x = 3,567,163,920,895.93
  5. Step 5: Solve for x
    x = 3,567,163,920,895.93/2,162,284.74
  6. Step 6: Final answer
    x = 1,649,719.79

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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.