Home / 1,940,275.11-2,908,205.61-1,180,441.69

Finding the Fourth Proportional to 1,940,275.11, 2,908,205.61 and 1,180,441.69

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Solution

The fourth proportional to 1,940,275.11, 2,908,205.61 and 1,180,441.69 is: 1,769,319.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,940,275.11 : 2,908,205.61 = 1,180,441.69 : x
  2. Step 2: Convert to fraction form
    1,940,275.11/2,908,205.61 = 1,180,441.69/x
  3. Step 3: Cross multiply
    1,940,275.11x = 2,908,205.61 × 1,180,441.69
  4. Step 4: Simplify right side
    1,940,275.11x = 3,432,967,133,438.71
  5. Step 5: Solve for x
    x = 3,432,967,133,438.71/1,940,275.11
  6. Step 6: Final answer
    x = 1,769,319.78

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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.