Finding the Fourth Proportional to 5,412,307.38, 7,468,962.18 and 2,964,914.96
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Solution
The fourth proportional to 5,412,307.38, 7,468,962.18 and 2,964,914.96 is: 4,091,570.59
Step by Step Solution
- Step 1: Write the proportion equation
5,412,307.38 : 7,468,962.18 = 2,964,914.96 : x - Step 2: Convert to fraction form
5,412,307.38/7,468,962.18 = 2,964,914.96/x - Step 3: Cross multiply
5,412,307.38x = 7,468,962.18 × 2,964,914.96 - Step 4: Simplify right side
5,412,307.38x = 22,144,837,703,156.21 - Step 5: Solve for x
x = 22,144,837,703,156.21/5,412,307.38 - Step 6: Final answer
x = 4,091,570.59
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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.