Home / 5,335,806.60-8,005,199.76-2,143,174.88

Finding the Fourth Proportional to 5,335,806.60, 8,005,199.76 and 2,143,174.88

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Solution

The fourth proportional to 5,335,806.60, 8,005,199.76 and 2,143,174.88 is: 3,215,360.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,335,806.60 : 8,005,199.76 = 2,143,174.88 : x
  2. Step 2: Convert to fraction form
    5,335,806.60/8,005,199.76 = 2,143,174.88/x
  3. Step 3: Cross multiply
    5,335,806.60x = 8,005,199.76 × 2,143,174.88
  4. Step 4: Simplify right side
    5,335,806.60x = 17,156,543,035,014.03
  5. Step 5: Solve for x
    x = 17,156,543,035,014.03/5,335,806.60
  6. Step 6: Final answer
    x = 3,215,360.74

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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.