Finding the Fourth Proportional to 4,630,619.84, 6,392,476.76 and 3,255,142.64
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Solution
The fourth proportional to 4,630,619.84, 6,392,476.76 and 3,255,142.64 is: 4,493,658.39
Step by Step Solution
- Step 1: Write the proportion equation
4,630,619.84 : 6,392,476.76 = 3,255,142.64 : x - Step 2: Convert to fraction form
4,630,619.84/6,392,476.76 = 3,255,142.64/x - Step 3: Cross multiply
4,630,619.84x = 6,392,476.76 × 3,255,142.64 - Step 4: Simplify right side
4,630,619.84x = 20,808,423,676,685.05 - Step 5: Solve for x
x = 20,808,423,676,685.05/4,630,619.84 - Step 6: Final answer
x = 4,493,658.39
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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.