Finding the Fourth Proportional to 1,419,184.36, 2,129,859.42 and 521,476.84
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Solution
The fourth proportional to 1,419,184.36, 2,129,859.42 and 521,476.84 is: 782,613.16
Step by Step Solution
- Step 1: Write the proportion equation
1,419,184.36 : 2,129,859.42 = 521,476.84 : x - Step 2: Convert to fraction form
1,419,184.36/2,129,859.42 = 521,476.84/x - Step 3: Cross multiply
1,419,184.36x = 2,129,859.42 × 521,476.84 - Step 4: Simplify right side
1,419,184.36x = 1,110,672,359,985.83 - Step 5: Solve for x
x = 1,110,672,359,985.83/1,419,184.36 - Step 6: Final answer
x = 782,613.16
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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.