Finding the Fourth Proportional to 2,685,640.08, 3,699,123.24 and 2,064,256.92
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Solution
The fourth proportional to 2,685,640.08, 3,699,123.24 and 2,064,256.92 is: 2,843,247.99
Step by Step Solution
- Step 1: Write the proportion equation
2,685,640.08 : 3,699,123.24 = 2,064,256.92 : x - Step 2: Convert to fraction form
2,685,640.08/3,699,123.24 = 2,064,256.92/x - Step 3: Cross multiply
2,685,640.08x = 3,699,123.24 × 2,064,256.92 - Step 4: Simplify right side
2,685,640.08x = 7,635,940,746,102.82 - Step 5: Solve for x
x = 7,635,940,746,102.82/2,685,640.08 - Step 6: Final answer
x = 2,843,247.99
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1.5x scale
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.