Finding the Fourth Proportional to 5,675,291.40, 7,832,068.56 and 3,097,138.62
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Solution
The fourth proportional to 5,675,291.40, 7,832,068.56 and 3,097,138.62 is: 4,274,142.12
Step by Step Solution
- Step 1: Write the proportion equation
5,675,291.40 : 7,832,068.56 = 3,097,138.62 : x - Step 2: Convert to fraction form
5,675,291.40/7,832,068.56 = 3,097,138.62/x - Step 3: Cross multiply
5,675,291.40x = 7,832,068.56 × 3,097,138.62 - Step 4: Simplify right side
5,675,291.40x = 24,257,002,011,663.79 - Step 5: Solve for x
x = 24,257,002,011,663.79/5,675,291.40 - Step 6: Final answer
x = 4,274,142.12
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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.