Finding the Fourth Proportional to 3,763,203.12, 5,193,191.61 and 2,044,335.87
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Solution
The fourth proportional to 3,763,203.12, 5,193,191.61 and 2,044,335.87 is: 2,821,167.91
Step by Step Solution
- Step 1: Write the proportion equation
3,763,203.12 : 5,193,191.61 = 2,044,335.87 : x - Step 2: Convert to fraction form
3,763,203.12/5,193,191.61 = 2,044,335.87/x - Step 3: Cross multiply
3,763,203.12x = 5,193,191.61 × 2,044,335.87 - Step 4: Simplify right side
3,763,203.12x = 10,616,627,888,106.05 - Step 5: Solve for x
x = 10,616,627,888,106.05/3,763,203.12 - Step 6: Final answer
x = 2,821,167.91
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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.