Finding the Fourth Proportional to 1,440,511.62, 2,162,123.64 and 731,048.82
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Solution
The fourth proportional to 1,440,511.62, 2,162,123.64 and 731,048.82 is: 1,097,261.50
Step by Step Solution
- Step 1: Write the proportion equation
1,440,511.62 : 2,162,123.64 = 731,048.82 : x - Step 2: Convert to fraction form
1,440,511.62/2,162,123.64 = 731,048.82/x - Step 3: Cross multiply
1,440,511.62x = 2,162,123.64 × 731,048.82 - Step 4: Simplify right side
1,440,511.62x = 1,580,617,935,716.10 - Step 5: Solve for x
x = 1,580,617,935,716.10/1,440,511.62 - Step 6: Final answer
x = 1,097,261.50
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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.