Home / 3,970,426.40-5,955,639.60-978,610.40

Finding the Fourth Proportional to 3,970,426.40, 5,955,639.60 and 978,610.40

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Solution

The fourth proportional to 3,970,426.40, 5,955,639.60 and 978,610.40 is: 1,467,915.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,970,426.40 : 5,955,639.60 = 978,610.40 : x
  2. Step 2: Convert to fraction form
    3,970,426.40/5,955,639.60 = 978,610.40/x
  3. Step 3: Cross multiply
    3,970,426.40x = 5,955,639.60 × 978,610.40
  4. Step 4: Simplify right side
    3,970,426.40x = 5,828,250,851,211.84
  5. Step 5: Solve for x
    x = 5,828,250,851,211.84/3,970,426.40
  6. Step 6: Final answer
    x = 1,467,915.60

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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.