Finding the Fourth Proportional to 4,679,777.09, 6,458,135.11 and 2,746,069.89
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Solution
The fourth proportional to 4,679,777.09, 6,458,135.11 and 2,746,069.89 is: 3,789,601.52
Step by Step Solution
- Step 1: Write the proportion equation
4,679,777.09 : 6,458,135.11 = 2,746,069.89 : x - Step 2: Convert to fraction form
4,679,777.09/6,458,135.11 = 2,746,069.89/x - Step 3: Cross multiply
4,679,777.09x = 6,458,135.11 × 2,746,069.89 - Step 4: Simplify right side
4,679,777.09x = 17,734,490,364,257.66 - Step 5: Solve for x
x = 17,734,490,364,257.66/4,679,777.09 - Step 6: Final answer
x = 3,789,601.52
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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.