Finding the Fourth Proportional to 3,781,857.26, 5,672,835.03 and 1,257,512.42
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Solution
The fourth proportional to 3,781,857.26, 5,672,835.03 and 1,257,512.42 is: 1,886,284.97
Step by Step Solution
- Step 1: Write the proportion equation
3,781,857.26 : 5,672,835.03 = 1,257,512.42 : x - Step 2: Convert to fraction form
3,781,857.26/5,672,835.03 = 1,257,512.42/x - Step 3: Cross multiply
3,781,857.26x = 5,672,835.03 × 1,257,512.42 - Step 4: Simplify right side
3,781,857.26x = 7,133,660,506,836.07 - Step 5: Solve for x
x = 7,133,660,506,836.07/3,781,857.26 - Step 6: Final answer
x = 1,886,284.97
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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.