Finding the Fourth Proportional to 4,332,772, 5,979,430.72 and 2,613,855.60
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Solution
The fourth proportional to 4,332,772, 5,979,430.72 and 2,613,855.60 is: 3,607,244.62
Step by Step Solution
- Step 1: Write the proportion equation
4,332,772 : 5,979,430.72 = 2,613,855.60 : x - Step 2: Convert to fraction form
4,332,772/5,979,430.72 = 2,613,855.60/x - Step 3: Cross multiply
4,332,772x = 5,979,430.72 × 2,613,855.60 - Step 4: Simplify right side
4,332,772x = 15,629,368,472,284.03 - Step 5: Solve for x
x = 15,629,368,472,284.03/4,332,772 - Step 6: Final answer
x = 3,607,244.62
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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.