Finding the Fourth Proportional to 4,765,274.30, 7,148,079.82 and 1,526,391.08
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Solution
The fourth proportional to 4,765,274.30, 7,148,079.82 and 1,526,391.08 is: 2,289,640.55
Step by Step Solution
- Step 1: Write the proportion equation
4,765,274.30 : 7,148,079.82 = 1,526,391.08 : x - Step 2: Convert to fraction form
4,765,274.30/7,148,079.82 = 1,526,391.08/x - Step 3: Cross multiply
4,765,274.30x = 7,148,079.82 × 1,526,391.08 - Step 4: Simplify right side
4,765,274.30x = 10,910,765,276,376.01 - Step 5: Solve for x
x = 10,910,765,276,376.01/4,765,274.30 - Step 6: Final answer
x = 2,289,640.55
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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.