Home / 3,997,623.11-5,516,719.81-2,162,081.35

Finding the Fourth Proportional to 3,997,623.11, 5,516,719.81 and 2,162,081.35

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Solution

The fourth proportional to 3,997,623.11, 5,516,719.81 and 2,162,081.35 is: 2,983,672.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,997,623.11 : 5,516,719.81 = 2,162,081.35 : x
  2. Step 2: Convert to fraction form
    3,997,623.11/5,516,719.81 = 2,162,081.35/x
  3. Step 3: Cross multiply
    3,997,623.11x = 5,516,719.81 × 2,162,081.35
  4. Step 4: Simplify right side
    3,997,623.11x = 11,927,597,014,376.54
  5. Step 5: Solve for x
    x = 11,927,597,014,376.54/3,997,623.11
  6. Step 6: Final answer
    x = 2,983,672.22

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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.