Finding the Fourth Proportional to 5,371,229.07, 7,398,176.11 and 4,128,462.68
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Solution
The fourth proportional to 5,371,229.07, 7,398,176.11 and 4,128,462.68 is: 5,686,425.49
Step by Step Solution
- Step 1: Write the proportion equation
5,371,229.07 : 7,398,176.11 = 4,128,462.68 : x - Step 2: Convert to fraction form
5,371,229.07/7,398,176.11 = 4,128,462.68/x - Step 3: Cross multiply
5,371,229.07x = 7,398,176.11 × 4,128,462.68 - Step 4: Simplify right side
5,371,229.07x = 30,543,093,922,890.54 - Step 5: Solve for x
x = 30,543,093,922,890.54/5,371,229.07 - Step 6: Final answer
x = 5,686,425.49
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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.