Finding the Fourth Proportional to 4,160,693.40, 6,241,385.70 and 1,320,725.40
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Solution
The fourth proportional to 4,160,693.40, 6,241,385.70 and 1,320,725.40 is: 1,981,197.80
Step by Step Solution
- Step 1: Write the proportion equation
4,160,693.40 : 6,241,385.70 = 1,320,725.40 : x - Step 2: Convert to fraction form
4,160,693.40/6,241,385.70 = 1,320,725.40/x - Step 3: Cross multiply
4,160,693.40x = 6,241,385.70 × 1,320,725.40 - Step 4: Simplify right side
4,160,693.40x = 8,243,156,625,186.78 - Step 5: Solve for x
x = 8,243,156,625,186.78/4,160,693.40 - Step 6: Final answer
x = 1,981,197.80
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.