Finding the Fourth Proportional to 5,322,409.11, 7,344,927.57 and 2,875,020.23
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Solution
The fourth proportional to 5,322,409.11, 7,344,927.57 and 2,875,020.23 is: 3,967,529.53
Step by Step Solution
- Step 1: Write the proportion equation
5,322,409.11 : 7,344,927.57 = 2,875,020.23 : x - Step 2: Convert to fraction form
5,322,409.11/7,344,927.57 = 2,875,020.23/x - Step 3: Cross multiply
5,322,409.11x = 7,344,927.57 × 2,875,020.23 - Step 4: Simplify right side
5,322,409.11x = 21,116,815,314,910.11 - Step 5: Solve for x
x = 21,116,815,314,910.11/5,322,409.11 - Step 6: Final answer
x = 3,967,529.53
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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.