Finding the Fourth Proportional to 1,912,364.80, 2,868,549.12 and 492,424
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Solution
The fourth proportional to 1,912,364.80, 2,868,549.12 and 492,424 is: 738,636.49
Step by Step Solution
- Step 1: Write the proportion equation
1,912,364.80 : 2,868,549.12 = 492,424 : x - Step 2: Convert to fraction form
1,912,364.80/2,868,549.12 = 492,424/x - Step 3: Cross multiply
1,912,364.80x = 2,868,549.12 × 492,424 - Step 4: Simplify right side
1,912,364.80x = 1,412,542,431,866.88 - Step 5: Solve for x
x = 1,412,542,431,866.88/1,912,364.80 - Step 6: Final answer
x = 738,636.49
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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.