Finding the Fourth Proportional to 6,174,228.67, 8,520,322.78 and 3,420,906.05
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Solution
The fourth proportional to 6,174,228.67, 8,520,322.78 and 3,420,906.05 is: 4,720,787.86
Step by Step Solution
- Step 1: Write the proportion equation
6,174,228.67 : 8,520,322.78 = 3,420,906.05 : x - Step 2: Convert to fraction form
6,174,228.67/8,520,322.78 = 3,420,906.05/x - Step 3: Cross multiply
6,174,228.67x = 8,520,322.78 × 3,420,906.05 - Step 4: Simplify right side
6,174,228.67x = 29,147,223,746,054.82 - Step 5: Solve for x
x = 29,147,223,746,054.82/6,174,228.67 - Step 6: Final answer
x = 4,720,787.86
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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.