Finding the Fourth Proportional to 2,653,247.21, 3,981,413.66 and 1,116,129.95
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Solution
The fourth proportional to 2,653,247.21, 3,981,413.66 and 1,116,129.95 is: 1,674,843.95
Step by Step Solution
- Step 1: Write the proportion equation
2,653,247.21 : 3,981,413.66 = 1,116,129.95 : x - Step 2: Convert to fraction form
2,653,247.21/3,981,413.66 = 1,116,129.95/x - Step 3: Cross multiply
2,653,247.21x = 3,981,413.66 × 1,116,129.95 - Step 4: Simplify right side
2,653,247.21x = 4,443,775,042,008.98 - Step 5: Solve for x
x = 4,443,775,042,008.98/2,653,247.21 - Step 6: Final answer
x = 1,674,843.95
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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.