Home / 2,867,847.11-3,957,679.35-1,561,136.72

Finding the Fourth Proportional to 2,867,847.11, 3,957,679.35 and 1,561,136.72

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Solution

The fourth proportional to 2,867,847.11, 3,957,679.35 and 1,561,136.72 is: 2,154,396.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,867,847.11 : 3,957,679.35 = 1,561,136.72 : x
  2. Step 2: Convert to fraction form
    2,867,847.11/3,957,679.35 = 1,561,136.72/x
  3. Step 3: Cross multiply
    2,867,847.11x = 3,957,679.35 × 1,561,136.72
  4. Step 4: Simplify right side
    2,867,847.11x = 6,178,478,569,164.93
  5. Step 5: Solve for x
    x = 6,178,478,569,164.93/2,867,847.11
  6. Step 6: Final answer
    x = 2,154,396.08

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.