Finding the Fourth Proportional to 7,186,775.75, 10,779,805.29 and 2,637,466.62
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Solution
The fourth proportional to 7,186,775.75, 10,779,805.29 and 2,637,466.62 is: 3,956,068.43
Step by Step Solution
- Step 1: Write the proportion equation
7,186,775.75 : 10,779,805.29 = 2,637,466.62 : x - Step 2: Convert to fraction form
7,186,775.75/10,779,805.29 = 2,637,466.62/x - Step 3: Cross multiply
7,186,775.75x = 10,779,805.29 × 2,637,466.62 - Step 4: Simplify right side
7,186,775.75x = 28,431,376,622,474.42 - Step 5: Solve for x
x = 28,431,376,622,474.42/7,186,775.75 - Step 6: Final answer
x = 3,956,068.43
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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.