Home / 3,189,442.80-4,785,085.80-945,634.80

Finding the Fourth Proportional to 3,189,442.80, 4,785,085.80 and 945,634.80

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Solution

The fourth proportional to 3,189,442.80, 4,785,085.80 and 945,634.80 is: 1,418,725.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,189,442.80 : 4,785,085.80 = 945,634.80 : x
  2. Step 2: Convert to fraction form
    3,189,442.80/4,785,085.80 = 945,634.80/x
  3. Step 3: Cross multiply
    3,189,442.80x = 4,785,085.80 × 945,634.80
  4. Step 4: Simplify right side
    3,189,442.80x = 4,524,943,653,465.84
  5. Step 5: Solve for x
    x = 4,524,943,653,465.84/3,189,442.80
  6. Step 6: Final answer
    x = 1,418,725.44

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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.