Finding the Fourth Proportional to 5,638,630.26, 7,781,317.41 and 3,060,311.03
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Solution
The fourth proportional to 5,638,630.26, 7,781,317.41 and 3,060,311.03 is: 4,223,233.37
Step by Step Solution
- Step 1: Write the proportion equation
5,638,630.26 : 7,781,317.41 = 3,060,311.03 : x - Step 2: Convert to fraction form
5,638,630.26/7,781,317.41 = 3,060,311.03/x - Step 3: Cross multiply
5,638,630.26x = 7,781,317.41 × 3,060,311.03 - Step 4: Simplify right side
5,638,630.26x = 23,813,251,497,754.03 - Step 5: Solve for x
x = 23,813,251,497,754.03/5,638,630.26 - Step 6: Final answer
x = 4,223,233.37
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.