Finding the Fourth Proportional to 4,808,630.91, 6,635,910.51 and 2,633,307.06
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Solution
The fourth proportional to 4,808,630.91, 6,635,910.51 and 2,633,307.06 is: 3,633,963.66
Step by Step Solution
- Step 1: Write the proportion equation
4,808,630.91 : 6,635,910.51 = 2,633,307.06 : x - Step 2: Convert to fraction form
4,808,630.91/6,635,910.51 = 2,633,307.06/x - Step 3: Cross multiply
4,808,630.91x = 6,635,910.51 × 2,633,307.06 - Step 4: Simplify right side
4,808,630.91x = 17,474,389,995,511.20 - Step 5: Solve for x
x = 17,474,389,995,511.20/4,808,630.91 - Step 6: Final answer
x = 3,633,963.66
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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.