Finding the Fourth Proportional to 3,574,056.49, 4,932,235.80 and 1,942,463.97
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Solution
The fourth proportional to 3,574,056.49, 4,932,235.80 and 1,942,463.97 is: 2,680,620.85
Step by Step Solution
- Step 1: Write the proportion equation
3,574,056.49 : 4,932,235.80 = 1,942,463.97 : x - Step 2: Convert to fraction form
3,574,056.49/4,932,235.80 = 1,942,463.97/x - Step 3: Cross multiply
3,574,056.49x = 4,932,235.80 × 1,942,463.97 - Step 4: Simplify right side
3,574,056.49x = 9,580,690,333,044.13 - Step 5: Solve for x
x = 9,580,690,333,044.13/3,574,056.49 - Step 6: Final answer
x = 2,680,620.85
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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.