Finding the Fourth Proportional to 3,286,703.08, 4,535,619.06 and 1,836,648.28
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Solution
The fourth proportional to 3,286,703.08, 4,535,619.06 and 1,836,648.28 is: 2,534,557.20
Step by Step Solution
- Step 1: Write the proportion equation
3,286,703.08 : 4,535,619.06 = 1,836,648.28 : x - Step 2: Convert to fraction form
3,286,703.08/4,535,619.06 = 1,836,648.28/x - Step 3: Cross multiply
3,286,703.08x = 4,535,619.06 × 1,836,648.28 - Step 4: Simplify right side
3,286,703.08x = 8,330,336,945,284.22 - Step 5: Solve for x
x = 8,330,336,945,284.22/3,286,703.08 - Step 6: Final answer
x = 2,534,557.20
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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.