Finding the Fourth Proportional to 4,098,220.40, 6,147,330.60 and 2,082,681.20
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Solution
The fourth proportional to 4,098,220.40, 6,147,330.60 and 2,082,681.20 is: 3,124,021.80
Step by Step Solution
- Step 1: Write the proportion equation
4,098,220.40 : 6,147,330.60 = 2,082,681.20 : x - Step 2: Convert to fraction form
4,098,220.40/6,147,330.60 = 2,082,681.20/x - Step 3: Cross multiply
4,098,220.40x = 6,147,330.60 × 2,082,681.20 - Step 4: Simplify right side
4,098,220.40x = 12,802,929,870,804.72 - Step 5: Solve for x
x = 12,802,929,870,804.72/4,098,220.40 - Step 6: Final answer
x = 3,124,021.80
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Similar ratio
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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.