Finding the Fourth Proportional to 1,485,129.93, 2,227,946.39 and 512,230.05
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Solution
The fourth proportional to 1,485,129.93, 2,227,946.39 and 512,230.05 is: 768,431.81
Step by Step Solution
- Step 1: Write the proportion equation
1,485,129.93 : 2,227,946.39 = 512,230.05 : x - Step 2: Convert to fraction form
1,485,129.93/2,227,946.39 = 512,230.05/x - Step 3: Cross multiply
1,485,129.93x = 2,227,946.39 × 512,230.05 - Step 4: Simplify right side
1,485,129.93x = 1,141,221,082,600.47 - Step 5: Solve for x
x = 1,141,221,082,600.47/1,485,129.93 - Step 6: Final answer
x = 768,431.81
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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.