Home / 3,970,422.40-5,955,633.60-978,606.40

Finding the Fourth Proportional to 3,970,422.40, 5,955,633.60 and 978,606.40

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Solution

The fourth proportional to 3,970,422.40, 5,955,633.60 and 978,606.40 is: 1,467,909.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,970,422.40 : 5,955,633.60 = 978,606.40 : x
  2. Step 2: Convert to fraction form
    3,970,422.40/5,955,633.60 = 978,606.40/x
  3. Step 3: Cross multiply
    3,970,422.40x = 5,955,633.60 × 978,606.40
  4. Step 4: Simplify right side
    3,970,422.40x = 5,828,221,157,015.04
  5. Step 5: Solve for x
    x = 5,828,221,157,015.04/3,970,422.40
  6. Step 6: Final answer
    x = 1,467,909.60

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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.