Finding the Fourth Proportional to 3,612,894.06, 5,419,343.52 and 917,421.42
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Solution
The fourth proportional to 3,612,894.06, 5,419,343.52 and 917,421.42 is: 1,376,132.75
Step by Step Solution
- Step 1: Write the proportion equation
3,612,894.06 : 5,419,343.52 = 917,421.42 : x - Step 2: Convert to fraction form
3,612,894.06/5,419,343.52 = 917,421.42/x - Step 3: Cross multiply
3,612,894.06x = 5,419,343.52 × 917,421.42 - Step 4: Simplify right side
3,612,894.06x = 4,971,821,827,586.20 - Step 5: Solve for x
x = 4,971,821,827,586.20/3,612,894.06 - Step 6: Final answer
x = 1,376,132.75
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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.