Home / 2,580,232.80-3,870,361.56-783,131.88

Finding the Fourth Proportional to 2,580,232.80, 3,870,361.56 and 783,131.88

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Solution

The fourth proportional to 2,580,232.80, 3,870,361.56 and 783,131.88 is: 1,174,701.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,580,232.80 : 3,870,361.56 = 783,131.88 : x
  2. Step 2: Convert to fraction form
    2,580,232.80/3,870,361.56 = 783,131.88/x
  3. Step 3: Cross multiply
    2,580,232.80x = 3,870,361.56 × 783,131.88
  4. Step 4: Simplify right side
    2,580,232.80x = 3,031,003,524,762.53
  5. Step 5: Solve for x
    x = 3,031,003,524,762.53/2,580,232.80
  6. Step 6: Final answer
    x = 1,174,701.57

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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.