Finding the Fourth Proportional to 5,082,638.93, 7,014,041.76 and 2,790,799.62
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Solution
The fourth proportional to 5,082,638.93, 7,014,041.76 and 2,790,799.62 is: 3,851,303.49
Step by Step Solution
- Step 1: Write the proportion equation
5,082,638.93 : 7,014,041.76 = 2,790,799.62 : x - Step 2: Convert to fraction form
5,082,638.93/7,014,041.76 = 2,790,799.62/x - Step 3: Cross multiply
5,082,638.93x = 7,014,041.76 × 2,790,799.62 - Step 4: Simplify right side
5,082,638.93x = 19,574,785,046,936.72 - Step 5: Solve for x
x = 19,574,785,046,936.72/5,082,638.93 - Step 6: Final answer
x = 3,851,303.49
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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.