Finding the Fourth Proportional to 6,172,513.93, 8,518,137.36 and 3,419,243.54
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Solution
The fourth proportional to 6,172,513.93, 8,518,137.36 and 3,419,243.54 is: 4,718,593.83
Step by Step Solution
- Step 1: Write the proportion equation
6,172,513.93 : 8,518,137.36 = 3,419,243.54 : x - Step 2: Convert to fraction form
6,172,513.93/8,518,137.36 = 3,419,243.54/x - Step 3: Cross multiply
6,172,513.93x = 8,518,137.36 × 3,419,243.54 - Step 4: Simplify right side
6,172,513.93x = 29,125,586,141,012.65 - Step 5: Solve for x
x = 29,125,586,141,012.65/6,172,513.93 - Step 6: Final answer
x = 4,718,593.83
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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.