Finding the Fourth Proportional to 4,692,764.43, 6,472,669.50 and 4,306,823.87
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Solution
The fourth proportional to 4,692,764.43, 6,472,669.50 and 4,306,823.87 is: 5,940,346.65
Step by Step Solution
- Step 1: Write the proportion equation
4,692,764.43 : 6,472,669.50 = 4,306,823.87 : x - Step 2: Convert to fraction form
4,692,764.43/6,472,669.50 = 4,306,823.87/x - Step 3: Cross multiply
4,692,764.43x = 6,472,669.50 × 4,306,823.87 - Step 4: Simplify right side
4,692,764.43x = 27,876,647,472,857.62 - Step 5: Solve for x
x = 27,876,647,472,857.62/4,692,764.43 - Step 6: Final answer
x = 5,940,346.65
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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.