Finding the Fourth Proportional to 4,250,438.20, 5,865,553.02 and 2,316,692.80
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Solution
The fourth proportional to 4,250,438.20, 5,865,553.02 and 2,316,692.80 is: 3,197,007.89
Step by Step Solution
- Step 1: Write the proportion equation
4,250,438.20 : 5,865,553.02 = 2,316,692.80 : x - Step 2: Convert to fraction form
4,250,438.20/5,865,553.02 = 2,316,692.80/x - Step 3: Cross multiply
4,250,438.20x = 5,865,553.02 × 2,316,692.80 - Step 4: Simplify right side
4,250,438.20x = 13,588,684,449,452.25 - Step 5: Solve for x
x = 13,588,684,449,452.25/4,250,438.20 - Step 6: Final answer
x = 3,197,007.89
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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.