Home / 2,018,976.96-3,027,329.91-670,417.88

Finding the Fourth Proportional to 2,018,976.96, 3,027,329.91 and 670,417.88

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Solution

The fourth proportional to 2,018,976.96, 3,027,329.91 and 670,417.88 is: 1,005,249.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,018,976.96 : 3,027,329.91 = 670,417.88 : x
  2. Step 2: Convert to fraction form
    2,018,976.96/3,027,329.91 = 670,417.88/x
  3. Step 3: Cross multiply
    2,018,976.96x = 3,027,329.91 × 670,417.88
  4. Step 4: Simplify right side
    2,018,976.96x = 2,029,576,100,322.79
  5. Step 5: Solve for x
    x = 2,029,576,100,322.79/2,018,976.96
  6. Step 6: Final answer
    x = 1,005,249.76

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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.