Finding the Fourth Proportional to 4,045,845.36, 5,583,262.32 and 2,326,921.68
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Solution
The fourth proportional to 4,045,845.36, 5,583,262.32 and 2,326,921.68 is: 3,211,149.46
Step by Step Solution
- Step 1: Write the proportion equation
4,045,845.36 : 5,583,262.32 = 2,326,921.68 : x - Step 2: Convert to fraction form
4,045,845.36/5,583,262.32 = 2,326,921.68/x - Step 3: Cross multiply
4,045,845.36x = 5,583,262.32 × 2,326,921.68 - Step 4: Simplify right side
4,045,845.36x = 12,991,814,137,535.10 - Step 5: Solve for x
x = 12,991,814,137,535.10/4,045,845.36 - Step 6: Final answer
x = 3,211,149.46
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1.5x scale
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.