Finding the Fourth Proportional to 2,272,872.21, 3,137,219.54 and 1,343,440.95
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Solution
The fourth proportional to 2,272,872.21, 3,137,219.54 and 1,343,440.95 is: 1,854,336.19
Step by Step Solution
- Step 1: Write the proportion equation
2,272,872.21 : 3,137,219.54 = 1,343,440.95 : x - Step 2: Convert to fraction form
2,272,872.21/3,137,219.54 = 1,343,440.95/x - Step 3: Cross multiply
2,272,872.21x = 3,137,219.54 × 1,343,440.95 - Step 4: Simplify right side
2,272,872.21x = 4,214,669,192,458.96 - Step 5: Solve for x
x = 4,214,669,192,458.96/2,272,872.21 - Step 6: Final answer
x = 1,854,336.19
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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.