Finding the Fourth Proportional to 1,539,955.40, 2,125,082.75 and 842,212.37
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Solution
The fourth proportional to 1,539,955.40, 2,125,082.75 and 842,212.37 is: 1,162,222.60
Step by Step Solution
- Step 1: Write the proportion equation
1,539,955.40 : 2,125,082.75 = 842,212.37 : x - Step 2: Convert to fraction form
1,539,955.40/2,125,082.75 = 842,212.37/x - Step 3: Cross multiply
1,539,955.40x = 2,125,082.75 × 842,212.37 - Step 4: Simplify right side
1,539,955.40x = 1,789,770,964,487.14 - Step 5: Solve for x
x = 1,789,770,964,487.14/1,539,955.40 - Step 6: Final answer
x = 1,162,222.60
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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.