Finding the Fourth Proportional to 6,482,220.80, 8,945,446.34 and 3,581,591.02
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Solution
The fourth proportional to 6,482,220.80, 8,945,446.34 and 3,581,591.02 is: 4,942,585.46
Step by Step Solution
- Step 1: Write the proportion equation
6,482,220.80 : 8,945,446.34 = 3,581,591.02 : x - Step 2: Convert to fraction form
6,482,220.80/8,945,446.34 = 3,581,591.02/x - Step 3: Cross multiply
6,482,220.80x = 8,945,446.34 × 3,581,591.02 - Step 4: Simplify right side
6,482,220.80x = 32,038,930,281,235.87 - Step 5: Solve for x
x = 32,038,930,281,235.87/6,482,220.80 - Step 6: Final answer
x = 4,942,585.46
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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.