Finding the Fourth Proportional to 1,455,841.05, 2,183,761.57 and 444,965.91
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Solution
The fourth proportional to 1,455,841.05, 2,183,761.57 and 444,965.91 is: 667,448.86
Step by Step Solution
- Step 1: Write the proportion equation
1,455,841.05 : 2,183,761.57 = 444,965.91 : x - Step 2: Convert to fraction form
1,455,841.05/2,183,761.57 = 444,965.91/x - Step 3: Cross multiply
1,455,841.05x = 2,183,761.57 × 444,965.91 - Step 4: Simplify right side
1,455,841.05x = 971,699,454,218.08 - Step 5: Solve for x
x = 971,699,454,218.08/1,455,841.05 - Step 6: Final answer
x = 667,448.86
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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.