Finding the Fourth Proportional to 5,412,069.93, 7,468,658.42 and 2,964,768.74
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Solution
The fourth proportional to 5,412,069.93, 7,468,658.42 and 2,964,768.74 is: 4,091,381.90
Step by Step Solution
- Step 1: Write the proportion equation
5,412,069.93 : 7,468,658.42 = 2,964,768.74 : x - Step 2: Convert to fraction form
5,412,069.93/7,468,658.42 = 2,964,768.74/x - Step 3: Cross multiply
5,412,069.93x = 7,468,658.42 × 2,964,768.74 - Step 4: Simplify right side
5,412,069.93x = 22,142,844,961,186.65 - Step 5: Solve for x
x = 22,142,844,961,186.65/5,412,069.93 - Step 6: Final answer
x = 4,091,381.90
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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.