Finding the Fourth Proportional to 3,857,001.48, 5,323,204.62 and 2,387,381.75
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Solution
The fourth proportional to 3,857,001.48, 5,323,204.62 and 2,387,381.75 is: 3,294,922.65
Step by Step Solution
- Step 1: Write the proportion equation
3,857,001.48 : 5,323,204.62 = 2,387,381.75 : x - Step 2: Convert to fraction form
3,857,001.48/5,323,204.62 = 2,387,381.75/x - Step 3: Cross multiply
3,857,001.48x = 5,323,204.62 × 2,387,381.75 - Step 4: Simplify right side
3,857,001.48x = 12,708,521,534,687.66 - Step 5: Solve for x
x = 12,708,521,534,687.66/3,857,001.48 - Step 6: Final answer
x = 3,294,922.65
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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.