Home / 1,901,382.54-2,850,154.72-1,191,908.81

Finding the Fourth Proportional to 1,901,382.54, 2,850,154.72 and 1,191,908.81

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Solution

The fourth proportional to 1,901,382.54, 2,850,154.72 and 1,191,908.81 is: 1,786,660.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,901,382.54 : 2,850,154.72 = 1,191,908.81 : x
  2. Step 2: Convert to fraction form
    1,901,382.54/2,850,154.72 = 1,191,908.81/x
  3. Step 3: Cross multiply
    1,901,382.54x = 2,850,154.72 × 1,191,908.81
  4. Step 4: Simplify right side
    1,901,382.54x = 3,397,124,520,631.08
  5. Step 5: Solve for x
    x = 3,397,124,520,631.08/1,901,382.54
  6. Step 6: Final answer
    x = 1,786,660.21

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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.