Finding the Fourth Proportional to 1,363,851.36, 1,882,921.32 and 1,212,529.68
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Solution
The fourth proportional to 1,363,851.36, 1,882,921.32 and 1,212,529.68 is: 1,674,007.93
Step by Step Solution
- Step 1: Write the proportion equation
1,363,851.36 : 1,882,921.32 = 1,212,529.68 : x - Step 2: Convert to fraction form
1,363,851.36/1,882,921.32 = 1,212,529.68/x - Step 3: Cross multiply
1,363,851.36x = 1,882,921.32 × 1,212,529.68 - Step 4: Simplify right side
1,363,851.36x = 2,283,097,985,604.78 - Step 5: Solve for x
x = 2,283,097,985,604.78/1,363,851.36 - Step 6: Final answer
x = 1,674,007.93
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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.