Home / 5,261,659.40-7,892,708.58-1,667,346.76

Finding the Fourth Proportional to 5,261,659.40, 7,892,708.58 and 1,667,346.76

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Solution

The fourth proportional to 5,261,659.40, 7,892,708.58 and 1,667,346.76 is: 2,501,089.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,261,659.40 : 7,892,708.58 = 1,667,346.76 : x
  2. Step 2: Convert to fraction form
    5,261,659.40/7,892,708.58 = 1,667,346.76/x
  3. Step 3: Cross multiply
    5,261,659.40x = 7,892,708.58 × 1,667,346.76
  4. Step 4: Simplify right side
    5,261,659.40x = 13,159,882,078,487.20
  5. Step 5: Solve for x
    x = 13,159,882,078,487.20/5,261,659.40
  6. Step 6: Final answer
    x = 2,501,089.69

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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.