Finding the Fourth Proportional to 5,279,250.09, 7,285,365.12 and 2,864,802.09
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Solution
The fourth proportional to 5,279,250.09, 7,285,365.12 and 2,864,802.09 is: 3,953,426.88
Step by Step Solution
- Step 1: Write the proportion equation
5,279,250.09 : 7,285,365.12 = 2,864,802.09 : x - Step 2: Convert to fraction form
5,279,250.09/7,285,365.12 = 2,864,802.09/x - Step 3: Cross multiply
5,279,250.09x = 7,285,365.12 × 2,864,802.09 - Step 4: Simplify right side
5,279,250.09x = 20,871,129,222,189.10 - Step 5: Solve for x
x = 20,871,129,222,189.10/5,279,250.09 - Step 6: Final answer
x = 3,953,426.88
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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.