Finding the Fourth Proportional to 2,753,378.11, 4,128,649.01 and 1,235,760.04
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Solution
The fourth proportional to 2,753,378.11, 4,128,649.01 and 1,235,760.04 is: 1,853,003.56
Step by Step Solution
- Step 1: Write the proportion equation
2,753,378.11 : 4,128,649.01 = 1,235,760.04 : x - Step 2: Convert to fraction form
2,753,378.11/4,128,649.01 = 1,235,760.04/x - Step 3: Cross multiply
2,753,378.11x = 4,128,649.01 × 1,235,760.04 - Step 4: Simplify right side
2,753,378.11x = 5,102,019,438,921.51 - Step 5: Solve for x
x = 5,102,019,438,921.51/2,753,378.11 - Step 6: Final answer
x = 1,853,003.56
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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.