Finding the Fourth Proportional to 1,589,511.59, 2,193,583.68 and 910,579.31
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Solution
The fourth proportional to 1,589,511.59, 2,193,583.68 and 910,579.31 is: 1,256,632.50
Step by Step Solution
- Step 1: Write the proportion equation
1,589,511.59 : 2,193,583.68 = 910,579.31 : x - Step 2: Convert to fraction form
1,589,511.59/2,193,583.68 = 910,579.31/x - Step 3: Cross multiply
1,589,511.59x = 2,193,583.68 × 910,579.31 - Step 4: Simplify right side
1,589,511.59x = 1,997,431,919,245.62 - Step 5: Solve for x
x = 1,997,431,919,245.62/1,589,511.59 - Step 6: Final answer
x = 1,256,632.50
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.