Finding the Fourth Proportional to 5,726,263.92, 7,902,395.06 and 3,148,009.62
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Solution
The fourth proportional to 5,726,263.92, 7,902,395.06 and 3,148,009.62 is: 4,344,336.21
Step by Step Solution
- Step 1: Write the proportion equation
5,726,263.92 : 7,902,395.06 = 3,148,009.62 : x - Step 2: Convert to fraction form
5,726,263.92/7,902,395.06 = 3,148,009.62/x - Step 3: Cross multiply
5,726,263.92x = 7,902,395.06 × 3,148,009.62 - Step 4: Simplify right side
5,726,263.92x = 24,876,815,669,920.48 - Step 5: Solve for x
x = 24,876,815,669,920.48/5,726,263.92 - Step 6: Final answer
x = 4,344,336.21
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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.