Finding the Fourth Proportional to 5,674,190.20, 8,512,062.90 and 1,887,278.20
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Solution
The fourth proportional to 5,674,190.20, 8,512,062.90 and 1,887,278.20 is: 2,831,175.94
Step by Step Solution
- Step 1: Write the proportion equation
5,674,190.20 : 8,512,062.90 = 1,887,278.20 : x - Step 2: Convert to fraction form
5,674,190.20/8,512,062.90 = 1,887,278.20/x - Step 3: Cross multiply
5,674,190.20x = 8,512,062.90 × 1,887,278.20 - Step 4: Simplify right side
5,674,190.20x = 16,064,630,748,198.78 - Step 5: Solve for x
x = 16,064,630,748,198.78/5,674,190.20 - Step 6: Final answer
x = 2,831,175.94
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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.