Finding the Fourth Proportional to 3,762,546.18, 5,642,968.15 and 1,739,687.82
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Solution
The fourth proportional to 3,762,546.18, 5,642,968.15 and 1,739,687.82 is: 2,609,138.20
Step by Step Solution
- Step 1: Write the proportion equation
3,762,546.18 : 5,642,968.15 = 1,739,687.82 : x - Step 2: Convert to fraction form
3,762,546.18/5,642,968.15 = 1,739,687.82/x - Step 3: Cross multiply
3,762,546.18x = 5,642,968.15 × 1,739,687.82 - Step 4: Simplify right side
3,762,546.18x = 9,817,002,959,202.93 - Step 5: Solve for x
x = 9,817,002,959,202.93/3,762,546.18 - Step 6: Final answer
x = 2,609,138.20
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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.