Finding the Fourth Proportional to 6,477,977.60, 9,722,841.60 and 3,285,324.80
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Solution
The fourth proportional to 6,477,977.60, 9,722,841.60 and 3,285,324.80 is: 4,930,966.82
Step by Step Solution
- Step 1: Write the proportion equation
6,477,977.60 : 9,722,841.60 = 3,285,324.80 : x - Step 2: Convert to fraction form
6,477,977.60/9,722,841.60 = 3,285,324.80/x - Step 3: Cross multiply
6,477,977.60x = 9,722,841.60 × 3,285,324.80 - Step 4: Simplify right side
6,477,977.60x = 31,942,692,634,951.68 - Step 5: Solve for x
x = 31,942,692,634,951.68/6,477,977.60 - Step 6: Final answer
x = 4,930,966.82
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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.