Home / 6,207,649.89-9,311,868.42-1,947,986.25

Finding the Fourth Proportional to 6,207,649.89, 9,311,868.42 and 1,947,986.25

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Solution

The fourth proportional to 6,207,649.89, 9,311,868.42 and 1,947,986.25 is: 2,922,102.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,207,649.89 : 9,311,868.42 = 1,947,986.25 : x
  2. Step 2: Convert to fraction form
    6,207,649.89/9,311,868.42 = 1,947,986.25/x
  3. Step 3: Cross multiply
    6,207,649.89x = 9,311,868.42 × 1,947,986.25
  4. Step 4: Simplify right side
    6,207,649.89x = 18,139,391,643,969.23
  5. Step 5: Solve for x
    x = 18,139,391,643,969.23/6,207,649.89
  6. Step 6: Final answer
    x = 2,922,102.88

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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.