Finding the Fourth Proportional to 4,139,211.98, 6,208,819.70 and 1,862,076.60
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Solution
The fourth proportional to 4,139,211.98, 6,208,819.70 and 1,862,076.60 is: 2,793,115.67
Step by Step Solution
- Step 1: Write the proportion equation
4,139,211.98 : 6,208,819.70 = 1,862,076.60 : x - Step 2: Convert to fraction form
4,139,211.98/6,208,819.70 = 1,862,076.60/x - Step 3: Cross multiply
4,139,211.98x = 6,208,819.70 × 1,862,076.60 - Step 4: Simplify right side
4,139,211.98x = 11,561,297,867,678.64 - Step 5: Solve for x
x = 11,561,297,867,678.64/4,139,211.98 - Step 6: Final answer
x = 2,793,115.67
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.