Finding the Fourth Proportional to 3,286,902.96, 4,535,948.88 and 1,836,659.52
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Solution
The fourth proportional to 3,286,902.96, 4,535,948.88 and 1,836,659.52 is: 2,534,602.88
Step by Step Solution
- Step 1: Write the proportion equation
3,286,902.96 : 4,535,948.88 = 1,836,659.52 : x - Step 2: Convert to fraction form
3,286,902.96/4,535,948.88 = 1,836,659.52/x - Step 3: Cross multiply
3,286,902.96x = 4,535,948.88 × 1,836,659.52 - Step 4: Simplify right side
3,286,902.96x = 8,330,993,692,685.34 - Step 5: Solve for x
x = 8,330,993,692,685.34/3,286,902.96 - Step 6: Final answer
x = 2,534,602.88
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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.