Home / 2,564,145.45-3,846,421.84-858,297.75

Finding the Fourth Proportional to 2,564,145.45, 3,846,421.84 and 858,297.75

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Solution

The fourth proportional to 2,564,145.45, 3,846,421.84 and 858,297.75 is: 1,287,514.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,564,145.45 : 3,846,421.84 = 858,297.75 : x
  2. Step 2: Convert to fraction form
    2,564,145.45/3,846,421.84 = 858,297.75/x
  3. Step 3: Cross multiply
    2,564,145.45x = 3,846,421.84 × 858,297.75
  4. Step 4: Simplify right side
    2,564,145.45x = 3,301,375,220,438.91
  5. Step 5: Solve for x
    x = 3,301,375,220,438.91/2,564,145.45
  6. Step 6: Final answer
    x = 1,287,514.80

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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.