Finding the Fourth Proportional to 3,066,728.24, 4,232,113.92 and 1,690,122.31
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Solution
The fourth proportional to 3,066,728.24, 4,232,113.92 and 1,690,122.31 is: 2,332,384.74
Step by Step Solution
- Step 1: Write the proportion equation
3,066,728.24 : 4,232,113.92 = 1,690,122.31 : x - Step 2: Convert to fraction form
3,066,728.24/4,232,113.92 = 1,690,122.31/x - Step 3: Cross multiply
3,066,728.24x = 4,232,113.92 × 1,690,122.31 - Step 4: Simplify right side
3,066,728.24x = 7,152,790,144,073.27 - Step 5: Solve for x
x = 7,152,790,144,073.27/3,066,728.24 - Step 6: Final answer
x = 2,332,384.74
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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.