Finding the Fourth Proportional to 6,126,142.60, 8,454,273.78 and 3,373,121.08
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Solution
The fourth proportional to 6,126,142.60, 8,454,273.78 and 3,373,121.08 is: 4,655,015.56
Step by Step Solution
- Step 1: Write the proportion equation
6,126,142.60 : 8,454,273.78 = 3,373,121.08 : x - Step 2: Convert to fraction form
6,126,142.60/8,454,273.78 = 3,373,121.08/x - Step 3: Cross multiply
6,126,142.60x = 8,454,273.78 × 3,373,121.08 - Step 4: Simplify right side
6,126,142.60x = 28,517,289,103,409.28 - Step 5: Solve for x
x = 28,517,289,103,409.28/6,126,142.60 - Step 6: Final answer
x = 4,655,015.56
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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.