Finding the Fourth Proportional to 6,173,946.44, 8,519,935.61 and 3,420,578.64
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Solution
The fourth proportional to 6,173,946.44, 8,519,935.61 and 3,420,578.64 is: 4,720,337.32
Step by Step Solution
- Step 1: Write the proportion equation
6,173,946.44 : 8,519,935.61 = 3,420,578.64 : x - Step 2: Convert to fraction form
6,173,946.44/8,519,935.61 = 3,420,578.64/x - Step 3: Cross multiply
6,173,946.44x = 8,519,935.61 × 3,420,578.64 - Step 4: Simplify right side
6,173,946.44x = 29,143,109,744,638.48 - Step 5: Solve for x
x = 29,143,109,744,638.48/6,173,946.44 - Step 6: Final answer
x = 4,720,337.32
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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.