Finding the Fourth Proportional to 1,995,125.12, 2,753,193.12 and 1,123,939.52
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Solution
The fourth proportional to 1,995,125.12, 2,753,193.12 and 1,123,939.52 is: 1,550,991.73
Step by Step Solution
- Step 1: Write the proportion equation
1,995,125.12 : 2,753,193.12 = 1,123,939.52 : x - Step 2: Convert to fraction form
1,995,125.12/2,753,193.12 = 1,123,939.52/x - Step 3: Cross multiply
1,995,125.12x = 2,753,193.12 × 1,123,939.52 - Step 4: Simplify right side
1,995,125.12x = 3,094,422,553,760.10 - Step 5: Solve for x
x = 3,094,422,553,760.10/1,995,125.12 - Step 6: Final answer
x = 1,550,991.73
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.