Finding the Fourth Proportional to 5,902,415.87, 8,145,118.86 and 3,288,784.91
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Solution
The fourth proportional to 5,902,415.87, 8,145,118.86 and 3,288,784.91 is: 4,538,403.35
Step by Step Solution
- Step 1: Write the proportion equation
5,902,415.87 : 8,145,118.86 = 3,288,784.91 : x - Step 2: Convert to fraction form
5,902,415.87/8,145,118.86 = 3,288,784.91/x - Step 3: Cross multiply
5,902,415.87x = 8,145,118.86 × 3,288,784.91 - Step 4: Simplify right side
5,902,415.87x = 26,787,543,939,754.88 - Step 5: Solve for x
x = 26,787,543,939,754.88/5,902,415.87 - Step 6: Final answer
x = 4,538,403.35
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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.