Finding the Fourth Proportional to 4,752,943.43, 7,117,787.99 and 4,292,361.23
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Solution
The fourth proportional to 4,752,943.43, 7,117,787.99 and 4,292,361.23 is: 6,428,041.42
Step by Step Solution
- Step 1: Write the proportion equation
4,752,943.43 : 7,117,787.99 = 4,292,361.23 : x - Step 2: Convert to fraction form
4,752,943.43/7,117,787.99 = 4,292,361.23/x - Step 3: Cross multiply
4,752,943.43x = 7,117,787.99 × 4,292,361.23 - Step 4: Simplify right side
4,752,943.43x = 30,552,117,186,777.59 - Step 5: Solve for x
x = 30,552,117,186,777.59/4,752,943.43 - Step 6: Final answer
x = 6,428,041.42
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.