Finding the Fourth Proportional to 5,905,138.58, 8,857,707.98 and 1,417,414.58
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Solution
The fourth proportional to 5,905,138.58, 8,857,707.98 and 1,417,414.58 is: 2,126,121.89
Step by Step Solution
- Step 1: Write the proportion equation
5,905,138.58 : 8,857,707.98 = 1,417,414.58 : x - Step 2: Convert to fraction form
5,905,138.58/8,857,707.98 = 1,417,414.58/x - Step 3: Cross multiply
5,905,138.58x = 8,857,707.98 × 1,417,414.58 - Step 4: Simplify right side
5,905,138.58x = 12,555,044,418,075.14 - Step 5: Solve for x
x = 12,555,044,418,075.14/5,905,138.58 - Step 6: Final answer
x = 2,126,121.89
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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.