Finding the Fourth Proportional to 1,485,120.98, 2,049,468.99 and 806,057.54
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Solution
The fourth proportional to 1,485,120.98, 2,049,468.99 and 806,057.54 is: 1,112,360.51
Step by Step Solution
- Step 1: Write the proportion equation
1,485,120.98 : 2,049,468.99 = 806,057.54 : x - Step 2: Convert to fraction form
1,485,120.98/2,049,468.99 = 806,057.54/x - Step 3: Cross multiply
1,485,120.98x = 2,049,468.99 × 806,057.54 - Step 4: Simplify right side
1,485,120.98x = 1,651,989,932,385.68 - Step 5: Solve for x
x = 1,651,989,932,385.68/1,485,120.98 - Step 6: Final answer
x = 1,112,360.51
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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.