Finding the Fourth Proportional to 5,531,986.62, 8,293,246.92 and 2,122,719.80
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Solution
The fourth proportional to 5,531,986.62, 8,293,246.92 and 2,122,719.80 is: 3,182,263.55
Step by Step Solution
- Step 1: Write the proportion equation
5,531,986.62 : 8,293,246.92 = 2,122,719.80 : x - Step 2: Convert to fraction form
5,531,986.62/8,293,246.92 = 2,122,719.80/x - Step 3: Cross multiply
5,531,986.62x = 8,293,246.92 × 2,122,719.80 - Step 4: Simplify right side
5,531,986.62x = 17,604,239,401,906.78 - Step 5: Solve for x
x = 17,604,239,401,906.78/5,531,986.62 - Step 6: Final answer
x = 3,182,263.55
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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.