Finding the Fourth Proportional to 2,578,231.62, 3,556,715.67 and 1,717,690.86
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Solution
The fourth proportional to 2,578,231.62, 3,556,715.67 and 1,717,690.86 is: 2,369,584.62
Step by Step Solution
- Step 1: Write the proportion equation
2,578,231.62 : 3,556,715.67 = 1,717,690.86 : x - Step 2: Convert to fraction form
2,578,231.62/3,556,715.67 = 1,717,690.86/x - Step 3: Cross multiply
2,578,231.62x = 3,556,715.67 × 1,717,690.86 - Step 4: Simplify right side
2,578,231.62x = 6,109,337,997,977.78 - Step 5: Solve for x
x = 6,109,337,997,977.78/2,578,231.62 - Step 6: Final answer
x = 2,369,584.62
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.