Finding the Fourth Proportional to 5,540,693.99, 7,646,863.03 and 3,217,123.94
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Solution
The fourth proportional to 5,540,693.99, 7,646,863.03 and 3,217,123.94 is: 4,440,040.57
Step by Step Solution
- Step 1: Write the proportion equation
5,540,693.99 : 7,646,863.03 = 3,217,123.94 : x - Step 2: Convert to fraction form
5,540,693.99/7,646,863.03 = 3,217,123.94/x - Step 3: Cross multiply
5,540,693.99x = 7,646,863.03 × 3,217,123.94 - Step 4: Simplify right side
5,540,693.99x = 24,600,906,081,479.62 - Step 5: Solve for x
x = 24,600,906,081,479.62/5,540,693.99 - Step 6: Final answer
x = 4,440,040.57
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1.5x scale
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.