Finding the Fourth Proportional to 5,322,534.55, 7,345,091.75 and 2,875,145.02
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Solution
The fourth proportional to 5,322,534.55, 7,345,091.75 and 2,875,145.02 is: 3,967,696.92
Step by Step Solution
- Step 1: Write the proportion equation
5,322,534.55 : 7,345,091.75 = 2,875,145.02 : x - Step 2: Convert to fraction form
5,322,534.55/7,345,091.75 = 2,875,145.02/x - Step 3: Cross multiply
5,322,534.55x = 7,345,091.75 × 2,875,145.02 - Step 4: Simplify right side
5,322,534.55x = 21,118,203,933,717.13 - Step 5: Solve for x
x = 21,118,203,933,717.13/5,322,534.55 - Step 6: Final answer
x = 3,967,696.92
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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.