Finding the Fourth Proportional to 5,727,855.87, 7,904,724.84 and 3,553,099.74
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Solution
The fourth proportional to 5,727,855.87, 7,904,724.84 and 3,553,099.74 is: 4,903,453.65
Step by Step Solution
- Step 1: Write the proportion equation
5,727,855.87 : 7,904,724.84 = 3,553,099.74 : x - Step 2: Convert to fraction form
5,727,855.87/7,904,724.84 = 3,553,099.74/x - Step 3: Cross multiply
5,727,855.87x = 7,904,724.84 × 3,553,099.74 - Step 4: Simplify right side
5,727,855.87x = 28,086,275,773,775.54 - Step 5: Solve for x
x = 28,086,275,773,775.54/5,727,855.87 - Step 6: Final answer
x = 4,903,453.65
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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.