Finding the Fourth Proportional to 1,665,350.20, 2,497,442.10 and 866,366.20
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Solution
The fourth proportional to 1,665,350.20, 2,497,442.10 and 866,366.20 is: 1,299,245.90
Step by Step Solution
- Step 1: Write the proportion equation
1,665,350.20 : 2,497,442.10 = 866,366.20 : x - Step 2: Convert to fraction form
1,665,350.20/2,497,442.10 = 866,366.20/x - Step 3: Cross multiply
1,665,350.20x = 2,497,442.10 × 866,366.20 - Step 4: Simplify right side
1,665,350.20x = 2,163,699,421,897.02 - Step 5: Solve for x
x = 2,163,699,421,897.02/1,665,350.20 - Step 6: Final answer
x = 1,299,245.90
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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.