Home / 3,005,015.20-4,146,936.72-1,628,359.44

Finding the Fourth Proportional to 3,005,015.20, 4,146,936.72 and 1,628,359.44

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Solution

The fourth proportional to 3,005,015.20, 4,146,936.72 and 1,628,359.44 is: 2,247,144.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,005,015.20 : 4,146,936.72 = 1,628,359.44 : x
  2. Step 2: Convert to fraction form
    3,005,015.20/4,146,936.72 = 1,628,359.44/x
  3. Step 3: Cross multiply
    3,005,015.20x = 4,146,936.72 × 1,628,359.44
  4. Step 4: Simplify right side
    3,005,015.20x = 6,752,703,555,094.64
  5. Step 5: Solve for x
    x = 6,752,703,555,094.64/3,005,015.20
  6. Step 6: Final answer
    x = 2,247,144.56

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.