Home / 2,978,991.60-4,468,487.40-984,447.60

Finding the Fourth Proportional to 2,978,991.60, 4,468,487.40 and 984,447.60

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Solution

The fourth proportional to 2,978,991.60, 4,468,487.40 and 984,447.60 is: 1,476,671.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,978,991.60 : 4,468,487.40 = 984,447.60 : x
  2. Step 2: Convert to fraction form
    2,978,991.60/4,468,487.40 = 984,447.60/x
  3. Step 3: Cross multiply
    2,978,991.60x = 4,468,487.40 × 984,447.60
  4. Step 4: Simplify right side
    2,978,991.60x = 4,398,991,696,560.24
  5. Step 5: Solve for x
    x = 4,398,991,696,560.24/2,978,991.60
  6. Step 6: Final answer
    x = 1,476,671.40

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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.