Finding the Fourth Proportional to 2,230,322.18, 3,077,866.28 and 1,263,431.79
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Solution
The fourth proportional to 2,230,322.18, 3,077,866.28 and 1,263,431.79 is: 1,743,548.15
Step by Step Solution
- Step 1: Write the proportion equation
2,230,322.18 : 3,077,866.28 = 1,263,431.79 : x - Step 2: Convert to fraction form
2,230,322.18/3,077,866.28 = 1,263,431.79/x - Step 3: Cross multiply
2,230,322.18x = 3,077,866.28 × 1,263,431.79 - Step 4: Simplify right side
2,230,322.18x = 3,888,674,106,679.62 - Step 5: Solve for x
x = 3,888,674,106,679.62/2,230,322.18 - Step 6: Final answer
x = 1,743,548.15
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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.