Finding the Fourth Proportional to 4,552,141.30, 6,281,880.68 and 2,487,112.43
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Solution
The fourth proportional to 4,552,141.30, 6,281,880.68 and 2,487,112.43 is: 3,432,174.55
Step by Step Solution
- Step 1: Write the proportion equation
4,552,141.30 : 6,281,880.68 = 2,487,112.43 : x - Step 2: Convert to fraction form
4,552,141.30/6,281,880.68 = 2,487,112.43/x - Step 3: Cross multiply
4,552,141.30x = 6,281,880.68 × 2,487,112.43 - Step 4: Simplify right side
4,552,141.30x = 15,623,743,497,813.23 - Step 5: Solve for x
x = 15,623,743,497,813.23/4,552,141.30 - Step 6: Final answer
x = 3,432,174.55
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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.