Finding the Fourth Proportional to 5,270,251.92, 7,272,143.31 and 2,977,576.08
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Solution
The fourth proportional to 5,270,251.92, 7,272,143.31 and 2,977,576.08 is: 4,108,600.56
Step by Step Solution
- Step 1: Write the proportion equation
5,270,251.92 : 7,272,143.31 = 2,977,576.08 : x - Step 2: Convert to fraction form
5,270,251.92/7,272,143.31 = 2,977,576.08/x - Step 3: Cross multiply
5,270,251.92x = 7,272,143.31 × 2,977,576.08 - Step 4: Simplify right side
5,270,251.92x = 21,653,359,970,188.02 - Step 5: Solve for x
x = 21,653,359,970,188.02/5,270,251.92 - Step 6: Final answer
x = 4,108,600.56
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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.