Finding the Fourth Proportional to 3,829,121.09, 5,744,364.75 and 1,270,489.57
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Solution
The fourth proportional to 3,829,121.09, 5,744,364.75 and 1,270,489.57 is: 1,905,961.01
Step by Step Solution
- Step 1: Write the proportion equation
3,829,121.09 : 5,744,364.75 = 1,270,489.57 : x - Step 2: Convert to fraction form
3,829,121.09/5,744,364.75 = 1,270,489.57/x - Step 3: Cross multiply
3,829,121.09x = 5,744,364.75 × 1,270,489.57 - Step 4: Simplify right side
3,829,121.09x = 7,298,155,494,798.21 - Step 5: Solve for x
x = 7,298,155,494,798.21/3,829,121.09 - Step 6: Final answer
x = 1,905,961.01
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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.