Home / 5,215,719.75-7,823,496.51-1,429,202.67

Finding the Fourth Proportional to 5,215,719.75, 7,823,496.51 and 1,429,202.67

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Solution

The fourth proportional to 5,215,719.75, 7,823,496.51 and 1,429,202.67 is: 2,143,781.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,215,719.75 : 7,823,496.51 = 1,429,202.67 : x
  2. Step 2: Convert to fraction form
    5,215,719.75/7,823,496.51 = 1,429,202.67/x
  3. Step 3: Cross multiply
    5,215,719.75x = 7,823,496.51 × 1,429,202.67
  4. Step 4: Simplify right side
    5,215,719.75x = 11,181,362,100,827.68
  5. Step 5: Solve for x
    x = 11,181,362,100,827.68/5,215,719.75
  6. Step 6: Final answer
    x = 2,143,781.23

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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.