Finding the Fourth Proportional to 6,318,189.40, 8,718,350.16 and 3,564,715.84
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Solution
The fourth proportional to 6,318,189.40, 8,718,350.16 and 3,564,715.84 is: 4,918,884.03
Step by Step Solution
- Step 1: Write the proportion equation
6,318,189.40 : 8,718,350.16 = 3,564,715.84 : x - Step 2: Convert to fraction form
6,318,189.40/8,718,350.16 = 3,564,715.84/x - Step 3: Cross multiply
6,318,189.40x = 8,718,350.16 × 3,564,715.84 - Step 4: Simplify right side
6,318,189.40x = 31,078,440,914,018.54 - Step 5: Solve for x
x = 31,078,440,914,018.54/6,318,189.40 - Step 6: Final answer
x = 4,918,884.03
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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.