Finding the Fourth Proportional to 5,230,609.09, 7,218,326.87 and 2,875,906.33
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Solution
The fourth proportional to 5,230,609.09, 7,218,326.87 and 2,875,906.33 is: 3,968,798.20
Step by Step Solution
- Step 1: Write the proportion equation
5,230,609.09 : 7,218,326.87 = 2,875,906.33 : x - Step 2: Convert to fraction form
5,230,609.09/7,218,326.87 = 2,875,906.33/x - Step 3: Cross multiply
5,230,609.09x = 7,218,326.87 × 2,875,906.33 - Step 4: Simplify right side
5,230,609.09x = 20,759,231,937,442.09 - Step 5: Solve for x
x = 20,759,231,937,442.09/5,230,609.09 - Step 6: Final answer
x = 3,968,798.20
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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.