Home / 2,942,181.76-4,413,266.15-783,207.36

Finding the Fourth Proportional to 2,942,181.76, 4,413,266.15 and 783,207.36

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Solution

The fourth proportional to 2,942,181.76, 4,413,266.15 and 783,207.36 is: 1,174,809.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,942,181.76 : 4,413,266.15 = 783,207.36 : x
  2. Step 2: Convert to fraction form
    2,942,181.76/4,413,266.15 = 783,207.36/x
  3. Step 3: Cross multiply
    2,942,181.76x = 4,413,266.15 × 783,207.36
  4. Step 4: Simplify right side
    2,942,181.76x = 3,456,502,530,318.86
  5. Step 5: Solve for x
    x = 3,456,502,530,318.86/2,942,181.76
  6. Step 6: Final answer
    x = 1,174,809.31

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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.