Finding the Fourth Proportional to 5,701,515.42, 7,868,113.92 and 3,123,214.14
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Solution
The fourth proportional to 5,701,515.42, 7,868,113.92 and 3,123,214.14 is: 4,310,047.92
Step by Step Solution
- Step 1: Write the proportion equation
5,701,515.42 : 7,868,113.92 = 3,123,214.14 : x - Step 2: Convert to fraction form
5,701,515.42/7,868,113.92 = 3,123,214.14/x - Step 3: Cross multiply
5,701,515.42x = 7,868,113.92 × 3,123,214.14 - Step 4: Simplify right side
5,701,515.42x = 24,573,804,650,074.83 - Step 5: Solve for x
x = 24,573,804,650,074.83/5,701,515.42 - Step 6: Final answer
x = 4,310,047.92
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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.