Finding the Fourth Proportional to 4,267,005.40, 6,384,761.70 and 3,889,091.80
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Solution
The fourth proportional to 4,267,005.40, 6,384,761.70 and 3,889,091.80 is: 5,819,285.90
Step by Step Solution
- Step 1: Write the proportion equation
4,267,005.40 : 6,384,761.70 = 3,889,091.80 : x - Step 2: Convert to fraction form
4,267,005.40/6,384,761.70 = 3,889,091.80/x - Step 3: Cross multiply
4,267,005.40x = 6,384,761.70 × 3,889,091.80 - Step 4: Simplify right side
4,267,005.40x = 24,830,924,372,424.06 - Step 5: Solve for x
x = 24,830,924,372,424.06/4,267,005.40 - Step 6: Final answer
x = 5,819,285.90
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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.