Finding the Fourth Proportional to 6,482,211.36, 8,945,520.40 and 3,581,530.08
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Solution
The fourth proportional to 6,482,211.36, 8,945,520.40 and 3,581,530.08 is: 4,942,549.48
Step by Step Solution
- Step 1: Write the proportion equation
6,482,211.36 : 8,945,520.40 = 3,581,530.08 : x - Step 2: Convert to fraction form
6,482,211.36/8,945,520.40 = 3,581,530.08/x - Step 3: Cross multiply
6,482,211.36x = 8,945,520.40 × 3,581,530.08 - Step 4: Simplify right side
6,482,211.36x = 32,038,650,393,853.63 - Step 5: Solve for x
x = 32,038,650,393,853.63/6,482,211.36 - Step 6: Final answer
x = 4,942,549.48
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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.