Home / 2,820,999.78-4,231,490.40-1,023,880.86

Finding the Fourth Proportional to 2,820,999.78, 4,231,490.40 and 1,023,880.86

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Solution

The fourth proportional to 2,820,999.78, 4,231,490.40 and 1,023,880.86 is: 1,535,817.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,820,999.78 : 4,231,490.40 = 1,023,880.86 : x
  2. Step 2: Convert to fraction form
    2,820,999.78/4,231,490.40 = 1,023,880.86/x
  3. Step 3: Cross multiply
    2,820,999.78x = 4,231,490.40 × 1,023,880.86
  4. Step 4: Simplify right side
    2,820,999.78x = 4,332,542,029,833.74
  5. Step 5: Solve for x
    x = 4,332,542,029,833.74/2,820,999.78
  6. Step 6: Final answer
    x = 1,535,817.93

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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.