Finding the Fourth Proportional to 4,721,740.80, 7,083,532.80 and 2,026,060.80
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Solution
The fourth proportional to 4,721,740.80, 7,083,532.80 and 2,026,060.80 is: 3,039,486.65
Step by Step Solution
- Step 1: Write the proportion equation
4,721,740.80 : 7,083,532.80 = 2,026,060.80 : x - Step 2: Convert to fraction form
4,721,740.80/7,083,532.80 = 2,026,060.80/x - Step 3: Cross multiply
4,721,740.80x = 7,083,532.80 × 2,026,060.80 - Step 4: Simplify right side
4,721,740.80x = 14,351,668,131,594.24 - Step 5: Solve for x
x = 14,351,668,131,594.24/4,721,740.80 - Step 6: Final answer
x = 3,039,486.65
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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.