Finding the Fourth Proportional to 5,115,263.14, 7,059,063.72 and 2,823,424.42
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Solution
The fourth proportional to 5,115,263.14, 7,059,063.72 and 2,823,424.42 is: 3,896,326.02
Step by Step Solution
- Step 1: Write the proportion equation
5,115,263.14 : 7,059,063.72 = 2,823,424.42 : x - Step 2: Convert to fraction form
5,115,263.14/7,059,063.72 = 2,823,424.42/x - Step 3: Cross multiply
5,115,263.14x = 7,059,063.72 × 2,823,424.42 - Step 4: Simplify right side
5,115,263.14x = 19,930,732,889,384.04 - Step 5: Solve for x
x = 19,930,732,889,384.04/5,115,263.14 - Step 6: Final answer
x = 3,896,326.02
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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.