Finding the Fourth Proportional to 6,442,142.19, 8,889,627.79 and 3,792,569.11
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Solution
The fourth proportional to 6,442,142.19, 8,889,627.79 and 3,792,569.11 is: 5,233,434.28
Step by Step Solution
- Step 1: Write the proportion equation
6,442,142.19 : 8,889,627.79 = 3,792,569.11 : x - Step 2: Convert to fraction form
6,442,142.19/8,889,627.79 = 3,792,569.11/x - Step 3: Cross multiply
6,442,142.19x = 8,889,627.79 × 3,792,569.11 - Step 4: Simplify right side
6,442,142.19x = 33,714,527,755,751.56 - Step 5: Solve for x
x = 33,714,527,755,751.56/6,442,142.19 - Step 6: Final answer
x = 5,233,434.28
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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.