Finding the Fourth Proportional to 5,102,059.68, 7,040,841.03 and 2,810,220.37
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Solution
The fourth proportional to 5,102,059.68, 7,040,841.03 and 2,810,220.37 is: 3,878,103.38
Step by Step Solution
- Step 1: Write the proportion equation
5,102,059.68 : 7,040,841.03 = 2,810,220.37 : x - Step 2: Convert to fraction form
5,102,059.68/7,040,841.03 = 2,810,220.37/x - Step 3: Cross multiply
5,102,059.68x = 7,040,841.03 × 2,810,220.37 - Step 4: Simplify right side
5,102,059.68x = 19,786,314,884,437.78 - Step 5: Solve for x
x = 19,786,314,884,437.78/5,102,059.68 - Step 6: Final answer
x = 3,878,103.38
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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.