Finding the Fourth Proportional to 5,259,516.49, 7,257,579.82 and 3,053,948.18
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Solution
The fourth proportional to 5,259,516.49, 7,257,579.82 and 3,053,948.18 is: 4,214,127.42
Step by Step Solution
- Step 1: Write the proportion equation
5,259,516.49 : 7,257,579.82 = 3,053,948.18 : x - Step 2: Convert to fraction form
5,259,516.49/7,257,579.82 = 3,053,948.18/x - Step 3: Cross multiply
5,259,516.49x = 7,257,579.82 × 3,053,948.18 - Step 4: Simplify right side
5,259,516.49x = 22,164,272,682,493.73 - Step 5: Solve for x
x = 22,164,272,682,493.73/5,259,516.49 - Step 6: Final answer
x = 4,214,127.42
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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.