Home / 2,123,331.57-3,186,366.96-775,381.41

Finding the Fourth Proportional to 2,123,331.57, 3,186,366.96 and 775,381.41

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Solution

The fourth proportional to 2,123,331.57, 3,186,366.96 and 775,381.41 is: 1,163,572.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,123,331.57 : 3,186,366.96 = 775,381.41 : x
  2. Step 2: Convert to fraction form
    2,123,331.57/3,186,366.96 = 775,381.41/x
  3. Step 3: Cross multiply
    2,123,331.57x = 3,186,366.96 × 775,381.41
  4. Step 4: Simplify right side
    2,123,331.57x = 2,470,649,709,129.89
  5. Step 5: Solve for x
    x = 2,470,649,709,129.89/2,123,331.57
  6. Step 6: Final answer
    x = 1,163,572.26

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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.