Home / 2,575,879.28-3,863,694.23-978,317.70

Finding the Fourth Proportional to 2,575,879.28, 3,863,694.23 and 978,317.70

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Solution

The fourth proportional to 2,575,879.28, 3,863,694.23 and 978,317.70 is: 1,467,429.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,575,879.28 : 3,863,694.23 = 978,317.70 : x
  2. Step 2: Convert to fraction form
    2,575,879.28/3,863,694.23 = 978,317.70/x
  3. Step 3: Cross multiply
    2,575,879.28x = 3,863,694.23 × 978,317.70
  4. Step 4: Simplify right side
    2,575,879.28x = 3,779,920,436,885.12
  5. Step 5: Solve for x
    x = 3,779,920,436,885.12/2,575,879.28
  6. Step 6: Final answer
    x = 1,467,429.19

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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.