Finding the Fourth Proportional to 5,071,990.56, 6,987,583.44 and 3,541,673.76
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Solution
The fourth proportional to 5,071,990.56, 6,987,583.44 and 3,541,673.76 is: 4,879,295.54
Step by Step Solution
- Step 1: Write the proportion equation
5,071,990.56 : 6,987,583.44 = 3,541,673.76 : x - Step 2: Convert to fraction form
5,071,990.56/6,987,583.44 = 3,541,673.76/x - Step 3: Cross multiply
5,071,990.56x = 6,987,583.44 × 3,541,673.76 - Step 4: Simplify right side
5,071,990.56x = 24,747,740,915,258.54 - Step 5: Solve for x
x = 24,747,740,915,258.54/5,071,990.56 - Step 6: Final answer
x = 4,879,295.54
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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.