Home / 2,575,885.80-3,863,703.98-978,324.20

Finding the Fourth Proportional to 2,575,885.80, 3,863,703.98 and 978,324.20

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Solution

The fourth proportional to 2,575,885.80, 3,863,703.98 and 978,324.20 is: 1,467,438.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,575,885.80 : 3,863,703.98 = 978,324.20 : x
  2. Step 2: Convert to fraction form
    2,575,885.80/3,863,703.98 = 978,324.20/x
  3. Step 3: Cross multiply
    2,575,885.80x = 3,863,703.98 × 978,324.20
  4. Step 4: Simplify right side
    2,575,885.80x = 3,779,955,105,270.32
  5. Step 5: Solve for x
    x = 3,779,955,105,270.32/2,575,885.80
  6. Step 6: Final answer
    x = 1,467,438.93

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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.