Finding the Fourth Proportional to 3,577,883.55, 5,353,282.68 and 2,119,713.14
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Solution
The fourth proportional to 3,577,883.55, 5,353,282.68 and 2,119,713.14 is: 3,171,546.38
Step by Step Solution
- Step 1: Write the proportion equation
3,577,883.55 : 5,353,282.68 = 2,119,713.14 : x - Step 2: Convert to fraction form
3,577,883.55/5,353,282.68 = 2,119,713.14/x - Step 3: Cross multiply
3,577,883.55x = 5,353,282.68 × 2,119,713.14 - Step 4: Simplify right side
3,577,883.55x = 11,347,423,638,930.42 - Step 5: Solve for x
x = 11,347,423,638,930.42/3,577,883.55 - Step 6: Final answer
x = 3,171,546.38
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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.