Finding the Fourth Proportional to 4,318,213.04, 6,476,874.49 and 1,439,268.78
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Solution
The fourth proportional to 4,318,213.04, 6,476,874.49 and 1,439,268.78 is: 2,158,754.83
Step by Step Solution
- Step 1: Write the proportion equation
4,318,213.04 : 6,476,874.49 = 1,439,268.78 : x - Step 2: Convert to fraction form
4,318,213.04/6,476,874.49 = 1,439,268.78/x - Step 3: Cross multiply
4,318,213.04x = 6,476,874.49 × 1,439,268.78 - Step 4: Simplify right side
4,318,213.04x = 9,321,963,271,522.79 - Step 5: Solve for x
x = 9,321,963,271,522.79/4,318,213.04 - Step 6: Final answer
x = 2,158,754.83
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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.