Finding the Fourth Proportional to 5,257,961.58, 7,256,008.84 and 2,843,513.58
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Solution
The fourth proportional to 5,257,961.58, 7,256,008.84 and 2,843,513.58 is: 3,924,060.56
Step by Step Solution
- Step 1: Write the proportion equation
5,257,961.58 : 7,256,008.84 = 2,843,513.58 : x - Step 2: Convert to fraction form
5,257,961.58/7,256,008.84 = 2,843,513.58/x - Step 3: Cross multiply
5,257,961.58x = 7,256,008.84 × 2,843,513.58 - Step 4: Simplify right side
5,257,961.58x = 20,632,559,673,140.05 - Step 5: Solve for x
x = 20,632,559,673,140.05/5,257,961.58 - Step 6: Final answer
x = 3,924,060.56
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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.