Finding the Fourth Proportional to 5,367,575.76, 7,407,272.16 and 2,920,186.08
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Solution
The fourth proportional to 5,367,575.76, 7,407,272.16 and 2,920,186.08 is: 4,029,866.37
Step by Step Solution
- Step 1: Write the proportion equation
5,367,575.76 : 7,407,272.16 = 2,920,186.08 : x - Step 2: Convert to fraction form
5,367,575.76/7,407,272.16 = 2,920,186.08/x - Step 3: Cross multiply
5,367,575.76x = 7,407,272.16 × 2,920,186.08 - Step 4: Simplify right side
5,367,575.76x = 21,630,613,052,403.54 - Step 5: Solve for x
x = 21,630,613,052,403.54/5,367,575.76 - Step 6: Final answer
x = 4,029,866.37
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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.