Home / 2,867,853.37-3,957,687.99-1,561,142.98

Finding the Fourth Proportional to 2,867,853.37, 3,957,687.99 and 1,561,142.98

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Solution

The fourth proportional to 2,867,853.37, 3,957,687.99 and 1,561,142.98 is: 2,154,404.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,867,853.37 : 3,957,687.99 = 1,561,142.98 : x
  2. Step 2: Convert to fraction form
    2,867,853.37/3,957,687.99 = 1,561,142.98/x
  3. Step 3: Cross multiply
    2,867,853.37x = 3,957,687.99 × 1,561,142.98
  4. Step 4: Simplify right side
    2,867,853.37x = 6,178,516,822,618.81
  5. Step 5: Solve for x
    x = 6,178,516,822,618.81/2,867,853.37
  6. Step 6: Final answer
    x = 2,154,404.72

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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.