Home / 2,397,331.40-3,598,038.30-978,405.80

Finding the Fourth Proportional to 2,397,331.40, 3,598,038.30 and 978,405.80

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Solution

The fourth proportional to 2,397,331.40, 3,598,038.30 and 978,405.80 is: 1,468,441.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,397,331.40 : 3,598,038.30 = 978,405.80 : x
  2. Step 2: Convert to fraction form
    2,397,331.40/3,598,038.30 = 978,405.80/x
  3. Step 3: Cross multiply
    2,397,331.40x = 3,598,038.30 × 978,405.80
  4. Step 4: Simplify right side
    2,397,331.40x = 3,520,341,541,342.14
  5. Step 5: Solve for x
    x = 3,520,341,541,342.14/2,397,331.40
  6. Step 6: Final answer
    x = 1,468,441.76

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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.