Finding the Fourth Proportional to 5,165,197.52, 7,128,586.68 and 2,960,849.30
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Solution
The fourth proportional to 5,165,197.52, 7,128,586.68 and 2,960,849.30 is: 4,086,324.06
Step by Step Solution
- Step 1: Write the proportion equation
5,165,197.52 : 7,128,586.68 = 2,960,849.30 : x - Step 2: Convert to fraction form
5,165,197.52/7,128,586.68 = 2,960,849.30/x - Step 3: Cross multiply
5,165,197.52x = 7,128,586.68 × 2,960,849.30 - Step 4: Simplify right side
5,165,197.52x = 21,106,670,881,467.32 - Step 5: Solve for x
x = 21,106,670,881,467.32/5,165,197.52 - Step 6: Final answer
x = 4,086,324.06
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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.