Finding the Fourth Proportional to 1,485,205.56, 2,049,552.18 and 806,142.06
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Solution
The fourth proportional to 1,485,205.56, 2,049,552.18 and 806,142.06 is: 1,112,458.95
Step by Step Solution
- Step 1: Write the proportion equation
1,485,205.56 : 2,049,552.18 = 806,142.06 : x - Step 2: Convert to fraction form
1,485,205.56/2,049,552.18 = 806,142.06/x - Step 3: Cross multiply
1,485,205.56x = 2,049,552.18 × 806,142.06 - Step 4: Simplify right side
1,485,205.56x = 1,652,230,216,462.69 - Step 5: Solve for x
x = 1,652,230,216,462.69/1,485,205.56 - Step 6: Final answer
x = 1,112,458.95
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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.