Finding the Fourth Proportional to 1,529,130.24, 2,109,951.36 and 850,049.28
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Solution
The fourth proportional to 1,529,130.24, 2,109,951.36 and 850,049.28 is: 1,172,929.94
Step by Step Solution
- Step 1: Write the proportion equation
1,529,130.24 : 2,109,951.36 = 850,049.28 : x - Step 2: Convert to fraction form
1,529,130.24/2,109,951.36 = 850,049.28/x - Step 3: Cross multiply
1,529,130.24x = 2,109,951.36 × 850,049.28 - Step 4: Simplify right side
1,529,130.24x = 1,793,562,634,403.02 - Step 5: Solve for x
x = 1,793,562,634,403.02/1,529,130.24 - Step 6: Final answer
x = 1,172,929.94
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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.