Finding the Fourth Proportional to 5,351,083.60, 7,381,407.10 and 3,415,162.14
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Solution
The fourth proportional to 5,351,083.60, 7,381,407.10 and 3,415,162.14 is: 4,710,952.76
Step by Step Solution
- Step 1: Write the proportion equation
5,351,083.60 : 7,381,407.10 = 3,415,162.14 : x - Step 2: Convert to fraction form
5,351,083.60/7,381,407.10 = 3,415,162.14/x - Step 3: Cross multiply
5,351,083.60x = 7,381,407.10 × 3,415,162.14 - Step 4: Simplify right side
5,351,083.60x = 25,208,702,067,847.20 - Step 5: Solve for x
x = 25,208,702,067,847.20/5,351,083.60 - Step 6: Final answer
x = 4,710,952.76
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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.