Finding the Fourth Proportional to 5,613,871.92, 8,417,187.38 and 2,202,503.28
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Solution
The fourth proportional to 5,613,871.92, 8,417,187.38 and 2,202,503.28 is: 3,302,334.48
Step by Step Solution
- Step 1: Write the proportion equation
5,613,871.92 : 8,417,187.38 = 2,202,503.28 : x - Step 2: Convert to fraction form
5,613,871.92/8,417,187.38 = 2,202,503.28/x - Step 3: Cross multiply
5,613,871.92x = 8,417,187.38 × 2,202,503.28 - Step 4: Simplify right side
5,613,871.92x = 18,538,882,810,071.48 - Step 5: Solve for x
x = 18,538,882,810,071.48/5,613,871.92 - Step 6: Final answer
x = 3,302,334.48
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.