Home / 1,966,186.36-2,949,273.68-885,433.60

Finding the Fourth Proportional to 1,966,186.36, 2,949,273.68 and 885,433.60

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Solution

The fourth proportional to 1,966,186.36, 2,949,273.68 and 885,433.60 is: 1,328,147.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,966,186.36 : 2,949,273.68 = 885,433.60 : x
  2. Step 2: Convert to fraction form
    1,966,186.36/2,949,273.68 = 885,433.60/x
  3. Step 3: Cross multiply
    1,966,186.36x = 2,949,273.68 × 885,433.60
  4. Step 4: Simplify right side
    1,966,186.36x = 2,611,386,011,867.65
  5. Step 5: Solve for x
    x = 2,611,386,011,867.65/1,966,186.36
  6. Step 6: Final answer
    x = 1,328,147.76

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.