Finding the Fourth Proportional to 6,129,374.19, 8,458,535.99 and 3,552,549.66
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Solution
The fourth proportional to 6,129,374.19, 8,458,535.99 and 3,552,549.66 is: 4,902,518.30
Step by Step Solution
- Step 1: Write the proportion equation
6,129,374.19 : 8,458,535.99 = 3,552,549.66 : x - Step 2: Convert to fraction form
6,129,374.19/8,458,535.99 = 3,552,549.66/x - Step 3: Cross multiply
6,129,374.19x = 8,458,535.99 × 3,552,549.66 - Step 4: Simplify right side
6,129,374.19x = 30,049,369,137,609.52 - Step 5: Solve for x
x = 30,049,369,137,609.52/6,129,374.19 - Step 6: Final answer
x = 4,902,518.30
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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.