Finding the Fourth Proportional to 3,437,794.53, 5,177,258.12 and 3,131,343.99
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Solution
The fourth proportional to 3,437,794.53, 5,177,258.12 and 3,131,343.99 is: 4,715,749.00
Step by Step Solution
- Step 1: Write the proportion equation
3,437,794.53 : 5,177,258.12 = 3,131,343.99 : x - Step 2: Convert to fraction form
3,437,794.53/5,177,258.12 = 3,131,343.99/x - Step 3: Cross multiply
3,437,794.53x = 5,177,258.12 × 3,131,343.99 - Step 4: Simplify right side
3,437,794.53x = 16,211,776,106,569.06 - Step 5: Solve for x
x = 16,211,776,106,569.06/3,437,794.53 - Step 6: Final answer
x = 4,715,749.00
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Why These Related Problems?
These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.