Finding the Fourth Proportional to 5,412,516.69, 7,468,959.17 and 2,964,701.60
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Solution
The fourth proportional to 5,412,516.69, 7,468,959.17 and 2,964,701.60 is: 4,091,116.29
Step by Step Solution
- Step 1: Write the proportion equation
5,412,516.69 : 7,468,959.17 = 2,964,701.60 : x - Step 2: Convert to fraction form
5,412,516.69/7,468,959.17 = 2,964,701.60/x - Step 3: Cross multiply
5,412,516.69x = 7,468,959.17 × 2,964,701.60 - Step 4: Simplify right side
5,412,516.69x = 22,143,235,241,722.12 - Step 5: Solve for x
x = 22,143,235,241,722.12/5,412,516.69 - Step 6: Final answer
x = 4,091,116.29
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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.