Finding the Fourth Proportional to 5,349,762.63, 7,382,671.56 and 3,057,972.57
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Solution
The fourth proportional to 5,349,762.63, 7,382,671.56 and 3,057,972.57 is: 4,220,001.65
Step by Step Solution
- Step 1: Write the proportion equation
5,349,762.63 : 7,382,671.56 = 3,057,972.57 : x - Step 2: Convert to fraction form
5,349,762.63/7,382,671.56 = 3,057,972.57/x - Step 3: Cross multiply
5,349,762.63x = 7,382,671.56 × 3,057,972.57 - Step 4: Simplify right side
5,349,762.63x = 22,576,007,123,799.11 - Step 5: Solve for x
x = 22,576,007,123,799.11/5,349,762.63 - Step 6: Final answer
x = 4,220,001.65
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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.