Finding the Fourth Proportional to 6,442,143.45, 8,889,629.51 and 3,792,570.36
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Solution
The fourth proportional to 6,442,143.45, 8,889,629.51 and 3,792,570.36 is: 5,233,435.99
Step by Step Solution
- Step 1: Write the proportion equation
6,442,143.45 : 8,889,629.51 = 3,792,570.36 : x - Step 2: Convert to fraction form
6,442,143.45/8,889,629.51 = 3,792,570.36/x - Step 3: Cross multiply
6,442,143.45x = 8,889,629.51 × 3,792,570.36 - Step 4: Simplify right side
6,442,143.45x = 33,714,545,372,044.47 - Step 5: Solve for x
x = 33,714,545,372,044.47/6,442,143.45 - Step 6: Final answer
x = 5,233,435.99
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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.