Finding the Fourth Proportional to 6,749,129.40, 10,124,582.10 and 2,492,287.80
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Solution
The fourth proportional to 6,749,129.40, 10,124,582.10 and 2,492,287.80 is: 3,738,759.62
Step by Step Solution
- Step 1: Write the proportion equation
6,749,129.40 : 10,124,582.10 = 2,492,287.80 : x - Step 2: Convert to fraction form
6,749,129.40/10,124,582.10 = 2,492,287.80/x - Step 3: Cross multiply
6,749,129.40x = 10,124,582.10 × 2,492,287.80 - Step 4: Simplify right side
6,749,129.40x = 25,233,372,447,928.38 - Step 5: Solve for x
x = 25,233,372,447,928.38/6,749,129.40 - Step 6: Final answer
x = 3,738,759.62
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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.