Finding the Fourth Proportional to 7,728,087.49, 11,593,468.02 and 2,610,554.65
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Solution
The fourth proportional to 7,728,087.49, 11,593,468.02 and 2,610,554.65 is: 3,916,283.54
Step by Step Solution
- Step 1: Write the proportion equation
7,728,087.49 : 11,593,468.02 = 2,610,554.65 : x - Step 2: Convert to fraction form
7,728,087.49/11,593,468.02 = 2,610,554.65/x - Step 3: Cross multiply
7,728,087.49x = 11,593,468.02 × 2,610,554.65 - Step 4: Simplify right side
7,728,087.49x = 30,265,381,878,220.96 - Step 5: Solve for x
x = 30,265,381,878,220.96/7,728,087.49 - Step 6: Final answer
x = 3,916,283.54
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.