Home / 2,575,885.29-3,863,703.24-978,323.70

Finding the Fourth Proportional to 2,575,885.29, 3,863,703.24 and 978,323.70

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Solution

The fourth proportional to 2,575,885.29, 3,863,703.24 and 978,323.70 is: 1,467,438.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,575,885.29 : 3,863,703.24 = 978,323.70 : x
  2. Step 2: Convert to fraction form
    2,575,885.29/3,863,703.24 = 978,323.70/x
  3. Step 3: Cross multiply
    2,575,885.29x = 3,863,703.24 × 978,323.70
  4. Step 4: Simplify right side
    2,575,885.29x = 3,779,952,449,458.79
  5. Step 5: Solve for x
    x = 3,779,952,449,458.79/2,575,885.29
  6. Step 6: Final answer
    x = 1,467,438.19

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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.