Finding the Fourth Proportional to 5,695,743.81, 7,860,126.46 and 3,117,424.58
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Solution
The fourth proportional to 5,695,743.81, 7,860,126.46 and 3,117,424.58 is: 4,302,045.92
Step by Step Solution
- Step 1: Write the proportion equation
5,695,743.81 : 7,860,126.46 = 3,117,424.58 : x - Step 2: Convert to fraction form
5,695,743.81/7,860,126.46 = 3,117,424.58/x - Step 3: Cross multiply
5,695,743.81x = 7,860,126.46 × 3,117,424.58 - Step 4: Simplify right side
5,695,743.81x = 24,503,351,440,169.14 - Step 5: Solve for x
x = 24,503,351,440,169.14/5,695,743.81 - Step 6: Final answer
x = 4,302,045.92
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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.