Finding the Fourth Proportional to 5,154,954.81, 7,113,640.91 and 2,863,262.49
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Solution
The fourth proportional to 5,154,954.81, 7,113,640.91 and 2,863,262.49 is: 3,951,192.96
Step by Step Solution
- Step 1: Write the proportion equation
5,154,954.81 : 7,113,640.91 = 2,863,262.49 : x - Step 2: Convert to fraction form
5,154,954.81/7,113,640.91 = 2,863,262.49/x - Step 3: Cross multiply
5,154,954.81x = 7,113,640.91 × 2,863,262.49 - Step 4: Simplify right side
5,154,954.81x = 20,368,221,170,616.16 - Step 5: Solve for x
x = 20,368,221,170,616.16/5,154,954.81 - Step 6: Final answer
x = 3,951,192.96
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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.