Home / 3,115,395.54-4,664,043.08-1,814,581.61

Finding the Fourth Proportional to 3,115,395.54, 4,664,043.08 and 1,814,581.61

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Solution

The fourth proportional to 3,115,395.54, 4,664,043.08 and 1,814,581.61 is: 2,716,601.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,115,395.54 : 4,664,043.08 = 1,814,581.61 : x
  2. Step 2: Convert to fraction form
    3,115,395.54/4,664,043.08 = 1,814,581.61/x
  3. Step 3: Cross multiply
    3,115,395.54x = 4,664,043.08 × 1,814,581.61
  4. Step 4: Simplify right side
    3,115,395.54x = 8,463,286,793,117.48
  5. Step 5: Solve for x
    x = 8,463,286,793,117.48/3,115,395.54
  6. Step 6: Final answer
    x = 2,716,601.05

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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.