Finding the Fourth Proportional to 4,042,423.96, 5,578,629.68 and 2,206,959.60
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Solution
The fourth proportional to 4,042,423.96, 5,578,629.68 and 2,206,959.60 is: 3,045,650.45
Step by Step Solution
- Step 1: Write the proportion equation
4,042,423.96 : 5,578,629.68 = 2,206,959.60 : x - Step 2: Convert to fraction form
4,042,423.96/5,578,629.68 = 2,206,959.60/x - Step 3: Cross multiply
4,042,423.96x = 5,578,629.68 × 2,206,959.60 - Step 4: Simplify right side
4,042,423.96x = 12,311,810,353,558.19 - Step 5: Solve for x
x = 12,311,810,353,558.19/4,042,423.96 - Step 6: Final answer
x = 3,045,650.45
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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.