Home / 2,153,445.75-3,218,270.82-2,028,999.90

Finding the Fourth Proportional to 2,153,445.75, 3,218,270.82 and 2,028,999.90

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Solution

The fourth proportional to 2,153,445.75, 3,218,270.82 and 2,028,999.90 is: 3,032,289.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,153,445.75 : 3,218,270.82 = 2,028,999.90 : x
  2. Step 2: Convert to fraction form
    2,153,445.75/3,218,270.82 = 2,028,999.90/x
  3. Step 3: Cross multiply
    2,153,445.75x = 3,218,270.82 × 2,028,999.90
  4. Step 4: Simplify right side
    2,153,445.75x = 6,529,871,171,952.92
  5. Step 5: Solve for x
    x = 6,529,871,171,952.92/2,153,445.75
  6. Step 6: Final answer
    x = 3,032,289.61

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.