Finding the Fourth Proportional to 5,738,878.33, 7,919,555.75 and 3,160,798.99
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Solution
The fourth proportional to 5,738,878.33, 7,919,555.75 and 3,160,798.99 is: 4,361,849.54
Step by Step Solution
- Step 1: Write the proportion equation
5,738,878.33 : 7,919,555.75 = 3,160,798.99 : x - Step 2: Convert to fraction form
5,738,878.33/7,919,555.75 = 3,160,798.99/x - Step 3: Cross multiply
5,738,878.33x = 7,919,555.75 × 3,160,798.99 - Step 4: Simplify right side
5,738,878.33x = 25,032,123,760,446.92 - Step 5: Solve for x
x = 25,032,123,760,446.92/5,738,878.33 - Step 6: Final answer
x = 4,361,849.54
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.