Finding the Fourth Proportional to 6,216,610.88, 8,580,199.20 and 3,923,232.32
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Solution
The fourth proportional to 6,216,610.88, 8,580,199.20 and 3,923,232.32 is: 5,414,865.99
Step by Step Solution
- Step 1: Write the proportion equation
6,216,610.88 : 8,580,199.20 = 3,923,232.32 : x - Step 2: Convert to fraction form
6,216,610.88/8,580,199.20 = 3,923,232.32/x - Step 3: Cross multiply
6,216,610.88x = 8,580,199.20 × 3,923,232.32 - Step 4: Simplify right side
6,216,610.88x = 33,662,114,813,478.14 - Step 5: Solve for x
x = 33,662,114,813,478.14/6,216,610.88 - Step 6: Final answer
x = 5,414,865.99
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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.