Finding the Fourth Proportional to 5,328,516.12, 7,353,527.22 and 2,914,068.12
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Solution
The fourth proportional to 5,328,516.12, 7,353,527.22 and 2,914,068.12 is: 4,021,509.70
Step by Step Solution
- Step 1: Write the proportion equation
5,328,516.12 : 7,353,527.22 = 2,914,068.12 : x - Step 2: Convert to fraction form
5,328,516.12/7,353,527.22 = 2,914,068.12/x - Step 3: Cross multiply
5,328,516.12x = 7,353,527.22 × 2,914,068.12 - Step 4: Simplify right side
5,328,516.12x = 21,428,679,241,354.23 - Step 5: Solve for x
x = 21,428,679,241,354.23/5,328,516.12 - Step 6: Final answer
x = 4,021,509.70
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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.