Finding the Fourth Proportional to 4,183,760.48, 5,776,350.78 and 3,215,130.08
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Solution
The fourth proportional to 4,183,760.48, 5,776,350.78 and 3,215,130.08 is: 4,439,001.52
Step by Step Solution
- Step 1: Write the proportion equation
4,183,760.48 : 5,776,350.78 = 3,215,130.08 : x - Step 2: Convert to fraction form
4,183,760.48/5,776,350.78 = 3,215,130.08/x - Step 3: Cross multiply
4,183,760.48x = 5,776,350.78 × 3,215,130.08 - Step 4: Simplify right side
4,183,760.48x = 18,571,719,145,409.46 - Step 5: Solve for x
x = 18,571,719,145,409.46/4,183,760.48 - Step 6: Final answer
x = 4,439,001.52
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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.