Finding the Fourth Proportional to 3,225,986.60, 4,838,979.90 and 2,092,245.80
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Solution
The fourth proportional to 3,225,986.60, 4,838,979.90 and 2,092,245.80 is: 3,138,368.70
Step by Step Solution
- Step 1: Write the proportion equation
3,225,986.60 : 4,838,979.90 = 2,092,245.80 : x - Step 2: Convert to fraction form
3,225,986.60/4,838,979.90 = 2,092,245.80/x - Step 3: Cross multiply
3,225,986.60x = 4,838,979.90 × 2,092,245.80 - Step 4: Simplify right side
3,225,986.60x = 10,124,335,372,059.42 - Step 5: Solve for x
x = 10,124,335,372,059.42/3,225,986.60 - Step 6: Final answer
x = 3,138,368.70
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.