Finding the Fourth Proportional to 6,762,646.18, 10,145,524.50 and 2,213,841.70
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Solution
The fourth proportional to 6,762,646.18, 10,145,524.50 and 2,213,841.70 is: 3,321,271.68
Step by Step Solution
- Step 1: Write the proportion equation
6,762,646.18 : 10,145,524.50 = 2,213,841.70 : x - Step 2: Convert to fraction form
6,762,646.18/10,145,524.50 = 2,213,841.70/x - Step 3: Cross multiply
6,762,646.18x = 10,145,524.50 × 2,213,841.70 - Step 4: Simplify right side
6,762,646.18x = 22,460,585,206,471.65 - Step 5: Solve for x
x = 22,460,585,206,471.65/6,762,646.18 - Step 6: Final answer
x = 3,321,271.68
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1.5x scale
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.