Finding the Fourth Proportional to 5,398,836.24, 7,450,482.56 and 3,223,569.48
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Solution
The fourth proportional to 5,398,836.24, 7,450,482.56 and 3,223,569.48 is: 4,448,578.75
Step by Step Solution
- Step 1: Write the proportion equation
5,398,836.24 : 7,450,482.56 = 3,223,569.48 : x - Step 2: Convert to fraction form
5,398,836.24/7,450,482.56 = 3,223,569.48/x - Step 3: Cross multiply
5,398,836.24x = 7,450,482.56 × 3,223,569.48 - Step 4: Simplify right side
5,398,836.24x = 24,017,148,191,688.27 - Step 5: Solve for x
x = 24,017,148,191,688.27/5,398,836.24 - Step 6: Final answer
x = 4,448,578.75
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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.