Home / 5,194,879.20-7,168,912.38-2,903,039.28

Finding the Fourth Proportional to 5,194,879.20, 7,168,912.38 and 2,903,039.28

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Solution

The fourth proportional to 5,194,879.20, 7,168,912.38 and 2,903,039.28 is: 4,006,182.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,194,879.20 : 7,168,912.38 = 2,903,039.28 : x
  2. Step 2: Convert to fraction form
    5,194,879.20/7,168,912.38 = 2,903,039.28/x
  3. Step 3: Cross multiply
    5,194,879.20x = 7,168,912.38 × 2,903,039.28
  4. Step 4: Simplify right side
    5,194,879.20x = 20,811,634,234,018.29
  5. Step 5: Solve for x
    x = 20,811,634,234,018.29/5,194,879.20
  6. Step 6: Final answer
    x = 4,006,182.52

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.