Finding the Fourth Proportional to 2,958,690.98, 4,082,953.64 and 1,651,963.15
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Solution
The fourth proportional to 2,958,690.98, 4,082,953.64 and 1,651,963.15 is: 2,279,686.86
Step by Step Solution
- Step 1: Write the proportion equation
2,958,690.98 : 4,082,953.64 = 1,651,963.15 : x - Step 2: Convert to fraction form
2,958,690.98/4,082,953.64 = 1,651,963.15/x - Step 3: Cross multiply
2,958,690.98x = 4,082,953.64 × 1,651,963.15 - Step 4: Simplify right side
2,958,690.98x = 6,744,888,953,282.24 - Step 5: Solve for x
x = 6,744,888,953,282.24/2,958,690.98 - Step 6: Final answer
x = 2,279,686.86
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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.