Finding the Fourth Proportional to 2,397,640.80, 3,302,008.56 and 2,345,386.08
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Solution
The fourth proportional to 2,397,640.80, 3,302,008.56 and 2,345,386.08 is: 3,230,043.85
Step by Step Solution
- Step 1: Write the proportion equation
2,397,640.80 : 3,302,008.56 = 2,345,386.08 : x - Step 2: Convert to fraction form
2,397,640.80/3,302,008.56 = 2,345,386.08/x - Step 3: Cross multiply
2,397,640.80x = 3,302,008.56 × 2,345,386.08 - Step 4: Simplify right side
2,397,640.80x = 7,744,484,912,664.85 - Step 5: Solve for x
x = 7,744,484,912,664.85/2,397,640.80 - Step 6: Final answer
x = 3,230,043.85
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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.