Finding the Fourth Proportional to 5,674,190.70, 8,512,063.65 and 1,887,278.70
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Solution
The fourth proportional to 5,674,190.70, 8,512,063.65 and 1,887,278.70 is: 2,831,176.69
Step by Step Solution
- Step 1: Write the proportion equation
5,674,190.70 : 8,512,063.65 = 1,887,278.70 : x - Step 2: Convert to fraction form
5,674,190.70/8,512,063.65 = 1,887,278.70/x - Step 3: Cross multiply
5,674,190.70x = 8,512,063.65 × 1,887,278.70 - Step 4: Simplify right side
5,674,190.70x = 16,064,636,419,689.26 - Step 5: Solve for x
x = 16,064,636,419,689.26/5,674,190.70 - Step 6: Final answer
x = 2,831,176.69
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.