Finding the Fourth Proportional to 5,621,537.40, 7,757,719.94 and 3,043,216.28
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Solution
The fourth proportional to 5,621,537.40, 7,757,719.94 and 3,043,216.28 is: 4,199,637.56
Step by Step Solution
- Step 1: Write the proportion equation
5,621,537.40 : 7,757,719.94 = 3,043,216.28 : x - Step 2: Convert to fraction form
5,621,537.40/7,757,719.94 = 3,043,216.28/x - Step 3: Cross multiply
5,621,537.40x = 7,757,719.94 × 3,043,216.28 - Step 4: Simplify right side
5,621,537.40x = 23,608,419,617,088.62 - Step 5: Solve for x
x = 23,608,419,617,088.62/5,621,537.40 - Step 6: Final answer
x = 4,199,637.56
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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.