Finding the Fourth Proportional to 4,198,967.08, 5,792,578.86 and 2,478,935.32
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Solution
The fourth proportional to 4,198,967.08, 5,792,578.86 and 2,478,935.32 is: 3,419,752.54
Step by Step Solution
- Step 1: Write the proportion equation
4,198,967.08 : 5,792,578.86 = 2,478,935.32 : x - Step 2: Convert to fraction form
4,198,967.08/5,792,578.86 = 2,478,935.32/x - Step 3: Cross multiply
4,198,967.08x = 5,792,578.86 × 2,478,935.32 - Step 4: Simplify right side
4,198,967.08x = 14,359,428,329,939.34 - Step 5: Solve for x
x = 14,359,428,329,939.34/4,198,967.08 - Step 6: Final answer
x = 3,419,752.54
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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.