Finding the Fourth Proportional to 6,459,516.70, 9,691,166.74 and 1,910,686.63
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Solution
The fourth proportional to 6,459,516.70, 9,691,166.74 and 1,910,686.63 is: 2,866,589.49
Step by Step Solution
- Step 1: Write the proportion equation
6,459,516.70 : 9,691,166.74 = 1,910,686.63 : x - Step 2: Convert to fraction form
6,459,516.70/9,691,166.74 = 1,910,686.63/x - Step 3: Cross multiply
6,459,516.70x = 9,691,166.74 × 1,910,686.63 - Step 4: Simplify right side
6,459,516.70x = 18,516,782,721,949.11 - Step 5: Solve for x
x = 18,516,782,721,949.11/6,459,516.70 - Step 6: Final answer
x = 2,866,589.49
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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.