Finding the Fourth Proportional to 4,623,838.71, 6,380,888.18 and 2,586,648.21
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Solution
The fourth proportional to 4,623,838.71, 6,380,888.18 and 2,586,648.21 is: 3,569,569.36
Step by Step Solution
- Step 1: Write the proportion equation
4,623,838.71 : 6,380,888.18 = 2,586,648.21 : x - Step 2: Convert to fraction form
4,623,838.71/6,380,888.18 = 2,586,648.21/x - Step 3: Cross multiply
4,623,838.71x = 6,380,888.18 × 2,586,648.21 - Step 4: Simplify right side
4,623,838.71x = 16,505,112,976,073.92 - Step 5: Solve for x
x = 16,505,112,976,073.92/4,623,838.71 - Step 6: Final answer
x = 3,569,569.36
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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.