Home / 2,153,857.32-3,230,777.34-806,121

Finding the Fourth Proportional to 2,153,857.32, 3,230,777.34 and 806,121

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Solution

The fourth proportional to 2,153,857.32, 3,230,777.34 and 806,121 is: 1,209,178.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,153,857.32 : 3,230,777.34 = 806,121 : x
  2. Step 2: Convert to fraction form
    2,153,857.32/3,230,777.34 = 806,121/x
  3. Step 3: Cross multiply
    2,153,857.32x = 3,230,777.34 × 806,121
  4. Step 4: Simplify right side
    2,153,857.32x = 2,604,397,460,098.14
  5. Step 5: Solve for x
    x = 2,604,397,460,098.14/2,153,857.32
  6. Step 6: Final answer
    x = 1,209,178.27

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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.