Finding the Fourth Proportional to 5,785,543.68, 7,983,512.16 and 3,207,004.80
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Solution
The fourth proportional to 5,785,543.68, 7,983,512.16 and 3,207,004.80 is: 4,425,368.34
Step by Step Solution
- Step 1: Write the proportion equation
5,785,543.68 : 7,983,512.16 = 3,207,004.80 : x - Step 2: Convert to fraction form
5,785,543.68/7,983,512.16 = 3,207,004.80/x - Step 3: Cross multiply
5,785,543.68x = 7,983,512.16 × 3,207,004.80 - Step 4: Simplify right side
5,785,543.68x = 25,603,161,817,978.37 - Step 5: Solve for x
x = 25,603,161,817,978.37/5,785,543.68 - Step 6: Final answer
x = 4,425,368.34
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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.