Finding the Fourth Proportional to 5,754,912.48, 7,941,780 and 3,176,593.74
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Solution
The fourth proportional to 5,754,912.48, 7,941,780 and 3,176,593.74 is: 4,383,699.79
Step by Step Solution
- Step 1: Write the proportion equation
5,754,912.48 : 7,941,780 = 3,176,593.74 : x - Step 2: Convert to fraction form
5,754,912.48/7,941,780 = 3,176,593.74/x - Step 3: Cross multiply
5,754,912.48x = 7,941,780 × 3,176,593.74 - Step 4: Simplify right side
5,754,912.48x = 25,227,808,632,457.20 - Step 5: Solve for x
x = 25,227,808,632,457.20/5,754,912.48 - Step 6: Final answer
x = 4,383,699.79
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1.5x scale
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.