Finding the Fourth Proportional to 1,368,226.46, 1,888,139.94 and 756,395.12
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Solution
The fourth proportional to 1,368,226.46, 1,888,139.94 and 756,395.12 is: 1,043,818.31
Step by Step Solution
- Step 1: Write the proportion equation
1,368,226.46 : 1,888,139.94 = 756,395.12 : x - Step 2: Convert to fraction form
1,368,226.46/1,888,139.94 = 756,395.12/x - Step 3: Cross multiply
1,368,226.46x = 1,888,139.94 × 756,395.12 - Step 4: Simplify right side
1,368,226.46x = 1,428,179,836,493.09 - Step 5: Solve for x
x = 1,428,179,836,493.09/1,368,226.46 - Step 6: Final answer
x = 1,043,818.31
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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.