Finding the Fourth Proportional to 5,162,673.16, 7,124,662.08 and 2,839,663.96
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Solution
The fourth proportional to 5,162,673.16, 7,124,662.08 and 2,839,663.96 is: 3,918,831.49
Step by Step Solution
- Step 1: Write the proportion equation
5,162,673.16 : 7,124,662.08 = 2,839,663.96 : x - Step 2: Convert to fraction form
5,162,673.16/7,124,662.08 = 2,839,663.96/x - Step 3: Cross multiply
5,162,673.16x = 7,124,662.08 × 2,839,663.96 - Step 4: Simplify right side
5,162,673.16x = 20,231,646,135,754.64 - Step 5: Solve for x
x = 20,231,646,135,754.64/5,162,673.16 - Step 6: Final answer
x = 3,918,831.49
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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.