Finding the Fourth Proportional to 6,477,065.20, 9,721,818.60 and 3,285,794.80
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Solution
The fourth proportional to 6,477,065.20, 9,721,818.60 and 3,285,794.80 is: 4,931,847.99
Step by Step Solution
- Step 1: Write the proportion equation
6,477,065.20 : 9,721,818.60 = 3,285,794.80 : x - Step 2: Convert to fraction form
6,477,065.20/9,721,818.60 = 3,285,794.80/x - Step 3: Cross multiply
6,477,065.20x = 9,721,818.60 × 3,285,794.80 - Step 4: Simplify right side
6,477,065.20x = 31,943,901,002,423.28 - Step 5: Solve for x
x = 31,943,901,002,423.28/6,477,065.20 - Step 6: Final answer
x = 4,931,847.99
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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.