Home / 2,154,194.58-3,231,373.86-806,215.26

Finding the Fourth Proportional to 2,154,194.58, 3,231,373.86 and 806,215.26

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Solution

The fourth proportional to 2,154,194.58, 3,231,373.86 and 806,215.26 is: 1,209,353.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,154,194.58 : 3,231,373.86 = 806,215.26 : x
  2. Step 2: Convert to fraction form
    2,154,194.58/3,231,373.86 = 806,215.26/x
  3. Step 3: Cross multiply
    2,154,194.58x = 3,231,373.86 × 806,215.26
  4. Step 4: Simplify right side
    2,154,194.58x = 2,605,182,916,697.10
  5. Step 5: Solve for x
    x = 2,605,182,916,697.10/2,154,194.58
  6. Step 6: Final answer
    x = 1,209,353.58

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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.