Home / 2,629,331.32-3,943,600.86-831,981.04

Finding the Fourth Proportional to 2,629,331.32, 3,943,600.86 and 831,981.04

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Solution

The fourth proportional to 2,629,331.32, 3,943,600.86 and 831,981.04 is: 1,247,846.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,629,331.32 : 3,943,600.86 = 831,981.04 : x
  2. Step 2: Convert to fraction form
    2,629,331.32/3,943,600.86 = 831,981.04/x
  3. Step 3: Cross multiply
    2,629,331.32x = 3,943,600.86 × 831,981.04
  4. Step 4: Simplify right side
    2,629,331.32x = 3,281,001,144,847.69
  5. Step 5: Solve for x
    x = 3,281,001,144,847.69/2,629,331.32
  6. Step 6: Final answer
    x = 1,247,846.22

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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.