Finding the Fourth Proportional to 5,294,446.08, 7,306,302.72 and 2,880,007.68
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Solution
The fourth proportional to 5,294,446.08, 7,306,302.72 and 2,880,007.68 is: 3,974,392.72
Step by Step Solution
- Step 1: Write the proportion equation
5,294,446.08 : 7,306,302.72 = 2,880,007.68 : x - Step 2: Convert to fraction form
5,294,446.08/7,306,302.72 = 2,880,007.68/x - Step 3: Cross multiply
5,294,446.08x = 7,306,302.72 × 2,880,007.68 - Step 4: Simplify right side
5,294,446.08x = 21,042,207,946,004.89 - Step 5: Solve for x
x = 21,042,207,946,004.89/5,294,446.08 - Step 6: Final answer
x = 3,974,392.72
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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.