Finding the Fourth Proportional to 2,631,585.70, 3,631,799.26 and 2,092,173.09
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Solution
The fourth proportional to 2,631,585.70, 3,631,799.26 and 2,092,173.09 is: 2,887,366.61
Step by Step Solution
- Step 1: Write the proportion equation
2,631,585.70 : 3,631,799.26 = 2,092,173.09 : x - Step 2: Convert to fraction form
2,631,585.70/3,631,799.26 = 2,092,173.09/x - Step 3: Cross multiply
2,631,585.70x = 3,631,799.26 × 2,092,173.09 - Step 4: Simplify right side
2,631,585.70x = 7,598,352,680,053.91 - Step 5: Solve for x
x = 7,598,352,680,053.91/2,631,585.70 - Step 6: Final answer
x = 2,887,366.61
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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.