Home / 3,688,889.28-5,091,133.68-2,238,501.12

Finding the Fourth Proportional to 3,688,889.28, 5,091,133.68 and 2,238,501.12

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Solution

The fourth proportional to 3,688,889.28, 5,091,133.68 and 2,238,501.12 is: 3,089,414.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,688,889.28 : 5,091,133.68 = 2,238,501.12 : x
  2. Step 2: Convert to fraction form
    3,688,889.28/5,091,133.68 = 2,238,501.12/x
  3. Step 3: Cross multiply
    3,688,889.28x = 5,091,133.68 × 2,238,501.12
  4. Step 4: Simplify right side
    3,688,889.28x = 11,396,508,444,749.72
  5. Step 5: Solve for x
    x = 11,396,508,444,749.72/3,688,889.28
  6. Step 6: Final answer
    x = 3,089,414.61

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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.