Finding the Fourth Proportional to 3,219,591.06, 4,442,946.12 and 1,769,286.06
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Solution
The fourth proportional to 3,219,591.06, 4,442,946.12 and 1,769,286.06 is: 2,441,565.56
Step by Step Solution
- Step 1: Write the proportion equation
3,219,591.06 : 4,442,946.12 = 1,769,286.06 : x - Step 2: Convert to fraction form
3,219,591.06/4,442,946.12 = 1,769,286.06/x - Step 3: Cross multiply
3,219,591.06x = 4,442,946.12 × 1,769,286.06 - Step 4: Simplify right side
3,219,591.06x = 7,860,842,635,447.09 - Step 5: Solve for x
x = 7,860,842,635,447.09/3,219,591.06 - Step 6: Final answer
x = 2,441,565.56
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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.