Finding the Fourth Proportional to 5,696,052.85, 7,860,626.76 and 3,117,678.26
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Solution
The fourth proportional to 5,696,052.85, 7,860,626.76 and 3,117,678.26 is: 4,302,436.41
Step by Step Solution
- Step 1: Write the proportion equation
5,696,052.85 : 7,860,626.76 = 3,117,678.26 : x - Step 2: Convert to fraction form
5,696,052.85/7,860,626.76 = 3,117,678.26/x - Step 3: Cross multiply
5,696,052.85x = 7,860,626.76 × 3,117,678.26 - Step 4: Simplify right side
5,696,052.85x = 24,506,905,147,934.94 - Step 5: Solve for x
x = 24,506,905,147,934.94/5,696,052.85 - Step 6: Final answer
x = 4,302,436.41
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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.