Finding the Fourth Proportional to 5,250,406.74, 7,875,860.46 and 2,551,516.62
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Solution
The fourth proportional to 5,250,406.74, 7,875,860.46 and 2,551,516.62 is: 3,827,396.59
Step by Step Solution
- Step 1: Write the proportion equation
5,250,406.74 : 7,875,860.46 = 2,551,516.62 : x - Step 2: Convert to fraction form
5,250,406.74/7,875,860.46 = 2,551,516.62/x - Step 3: Cross multiply
5,250,406.74x = 7,875,860.46 × 2,551,516.62 - Step 4: Simplify right side
5,250,406.74x = 20,095,388,860,490.85 - Step 5: Solve for x
x = 20,095,388,860,490.85/5,250,406.74 - Step 6: Final answer
x = 3,827,396.59
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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.