Finding the Fourth Proportional to 7,717,879.54, 11,573,876.61 and 2,598,935.06
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Solution
The fourth proportional to 7,717,879.54, 11,573,876.61 and 2,598,935.06 is: 3,897,411.66
Step by Step Solution
- Step 1: Write the proportion equation
7,717,879.54 : 11,573,876.61 = 2,598,935.06 : x - Step 2: Convert to fraction form
7,717,879.54/11,573,876.61 = 2,598,935.06/x - Step 3: Cross multiply
7,717,879.54x = 11,573,876.61 × 2,598,935.06 - Step 4: Simplify right side
7,717,879.54x = 30,079,753,701,842.95 - Step 5: Solve for x
x = 30,079,753,701,842.95/7,717,879.54 - Step 6: Final answer
x = 3,897,411.66
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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.