Finding the Fourth Proportional to 5,240,541.48, 7,232,276.88 and 3,175,737.84
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Solution
The fourth proportional to 5,240,541.48, 7,232,276.88 and 3,175,737.84 is: 4,382,717.98
Step by Step Solution
- Step 1: Write the proportion equation
5,240,541.48 : 7,232,276.88 = 3,175,737.84 : x - Step 2: Convert to fraction form
5,240,541.48/7,232,276.88 = 3,175,737.84/x - Step 3: Cross multiply
5,240,541.48x = 7,232,276.88 × 3,175,737.84 - Step 4: Simplify right side
5,240,541.48x = 22,967,815,357,173.14 - Step 5: Solve for x
x = 22,967,815,357,173.14/5,240,541.48 - Step 6: Final answer
x = 4,382,717.98
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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.