Home / 3,115,994.80-4,674,429.60-985,856.80

Finding the Fourth Proportional to 3,115,994.80, 4,674,429.60 and 985,856.80

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Solution

The fourth proportional to 3,115,994.80, 4,674,429.60 and 985,856.80 is: 1,478,923.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,115,994.80 : 4,674,429.60 = 985,856.80 : x
  2. Step 2: Convert to fraction form
    3,115,994.80/4,674,429.60 = 985,856.80/x
  3. Step 3: Cross multiply
    3,115,994.80x = 4,674,429.60 × 985,856.80
  4. Step 4: Simplify right side
    3,115,994.80x = 4,608,318,207,281.28
  5. Step 5: Solve for x
    x = 4,608,318,207,281.28/3,115,994.80
  6. Step 6: Final answer
    x = 1,478,923.59

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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.