Home / 2,921,716.80-4,380,501.60-1,123,905.60

Finding the Fourth Proportional to 2,921,716.80, 4,380,501.60 and 1,123,905.60

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Solution

The fourth proportional to 2,921,716.80, 4,380,501.60 and 1,123,905.60 is: 1,685,060.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,921,716.80 : 4,380,501.60 = 1,123,905.60 : x
  2. Step 2: Convert to fraction form
    2,921,716.80/4,380,501.60 = 1,123,905.60/x
  3. Step 3: Cross multiply
    2,921,716.80x = 4,380,501.60 × 1,123,905.60
  4. Step 4: Simplify right side
    2,921,716.80x = 4,923,270,279,048.96
  5. Step 5: Solve for x
    x = 4,923,270,279,048.96/2,921,716.80
  6. Step 6: Final answer
    x = 1,685,060.74

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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.