Finding the Fourth Proportional to 4,318,213.79, 6,476,875.61 and 1,439,269.54
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Solution
The fourth proportional to 4,318,213.79, 6,476,875.61 and 1,439,269.54 is: 2,158,755.96
Step by Step Solution
- Step 1: Write the proportion equation
4,318,213.79 : 6,476,875.61 = 1,439,269.54 : x - Step 2: Convert to fraction form
4,318,213.79/6,476,875.61 = 1,439,269.54/x - Step 3: Cross multiply
4,318,213.79x = 6,476,875.61 × 1,439,269.54 - Step 4: Simplify right side
4,318,213.79x = 9,321,969,767,247.90 - Step 5: Solve for x
x = 9,321,969,767,247.90/4,318,213.79 - Step 6: Final answer
x = 2,158,755.96
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.