Finding the Fourth Proportional to 6,442,151.22, 8,889,640.21 and 3,792,578.14
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Solution
The fourth proportional to 6,442,151.22, 8,889,640.21 and 3,792,578.14 is: 5,233,446.71
Step by Step Solution
- Step 1: Write the proportion equation
6,442,151.22 : 8,889,640.21 = 3,792,578.14 : x - Step 2: Convert to fraction form
6,442,151.22/8,889,640.21 = 3,792,578.14/x - Step 3: Cross multiply
6,442,151.22x = 8,889,640.21 × 3,792,578.14 - Step 4: Simplify right side
6,442,151.22x = 33,714,655,132,911.02 - Step 5: Solve for x
x = 33,714,655,132,911.02/6,442,151.22 - Step 6: Final answer
x = 5,233,446.71
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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.