Finding the Fourth Proportional to 1,517,923.47, 2,276,549.76 and 438,201.36
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Solution
The fourth proportional to 1,517,923.47, 2,276,549.76 and 438,201.36 is: 657,205.20
Step by Step Solution
- Step 1: Write the proportion equation
1,517,923.47 : 2,276,549.76 = 438,201.36 : x - Step 2: Convert to fraction form
1,517,923.47/2,276,549.76 = 438,201.36/x - Step 3: Cross multiply
1,517,923.47x = 2,276,549.76 × 438,201.36 - Step 4: Simplify right side
1,517,923.47x = 997,587,200,939.67 - Step 5: Solve for x
x = 997,587,200,939.67/1,517,923.47 - Step 6: Final answer
x = 657,205.20
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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.