Home / 1,855,169.12-2,785,913.22-1,207,847.19

Finding the Fourth Proportional to 1,855,169.12, 2,785,913.22 and 1,207,847.19

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Solution

The fourth proportional to 1,855,169.12, 2,785,913.22 and 1,207,847.19 is: 1,813,827.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,855,169.12 : 2,785,913.22 = 1,207,847.19 : x
  2. Step 2: Convert to fraction form
    1,855,169.12/2,785,913.22 = 1,207,847.19/x
  3. Step 3: Cross multiply
    1,855,169.12x = 2,785,913.22 × 1,207,847.19
  4. Step 4: Simplify right side
    1,855,169.12x = 3,364,957,459,146.24
  5. Step 5: Solve for x
    x = 3,364,957,459,146.24/1,855,169.12
  6. Step 6: Final answer
    x = 1,813,827.87

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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.