Finding the Fourth Proportional to 1,363,859.36, 1,882,932.40 and 1,212,537.68
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Solution
The fourth proportional to 1,363,859.36, 1,882,932.40 and 1,212,537.68 is: 1,674,019.00
Step by Step Solution
- Step 1: Write the proportion equation
1,363,859.36 : 1,882,932.40 = 1,212,537.68 : x - Step 2: Convert to fraction form
1,363,859.36/1,882,932.40 = 1,212,537.68/x - Step 3: Cross multiply
1,363,859.36x = 1,882,932.40 × 1,212,537.68 - Step 4: Simplify right side
1,363,859.36x = 2,283,126,483,892.83 - Step 5: Solve for x
x = 2,283,126,483,892.83/1,363,859.36 - Step 6: Final answer
x = 1,674,019.00
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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.