Home / 1,807,703.21-2,494,629.47-991,912.25

Finding the Fourth Proportional to 1,807,703.21, 2,494,629.47 and 991,912.25

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Solution

The fourth proportional to 1,807,703.21, 2,494,629.47 and 991,912.25 is: 1,368,838.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,807,703.21 : 2,494,629.47 = 991,912.25 : x
  2. Step 2: Convert to fraction form
    1,807,703.21/2,494,629.47 = 991,912.25/x
  3. Step 3: Cross multiply
    1,807,703.21x = 2,494,629.47 × 991,912.25
  4. Step 4: Simplify right side
    1,807,703.21x = 2,474,453,525,544.45
  5. Step 5: Solve for x
    x = 2,474,453,525,544.45/1,807,703.21
  6. Step 6: Final answer
    x = 1,368,838.38

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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.