Finding the Fourth Proportional to 3,609,637.42, 5,411,645.84 and 1,786,744.62
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Solution
The fourth proportional to 3,609,637.42, 5,411,645.84 and 1,786,744.62 is: 2,678,725.85
Step by Step Solution
- Step 1: Write the proportion equation
3,609,637.42 : 5,411,645.84 = 1,786,744.62 : x - Step 2: Convert to fraction form
3,609,637.42/5,411,645.84 = 1,786,744.62/x - Step 3: Cross multiply
3,609,637.42x = 5,411,645.84 × 1,786,744.62 - Step 4: Simplify right side
3,609,637.42x = 9,669,229,053,973.43 - Step 5: Solve for x
x = 9,669,229,053,973.43/3,609,637.42 - Step 6: Final answer
x = 2,678,725.85
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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.