Finding the Fourth Proportional to 5,290,576.76, 7,301,566.73 and 2,998,491.41
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Solution
The fourth proportional to 5,290,576.76, 7,301,566.73 and 2,998,491.41 is: 4,138,241.65
Step by Step Solution
- Step 1: Write the proportion equation
5,290,576.76 : 7,301,566.73 = 2,998,491.41 : x - Step 2: Convert to fraction form
5,290,576.76/7,301,566.73 = 2,998,491.41/x - Step 3: Cross multiply
5,290,576.76x = 7,301,566.73 × 2,998,491.41 - Step 4: Simplify right side
5,290,576.76x = 21,893,685,082,938.96 - Step 5: Solve for x
x = 21,893,685,082,938.96/5,290,576.76 - Step 6: Final answer
x = 4,138,241.65
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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.