Finding the Fourth Proportional to 6,890,879.96, 10,335,531.24 and 1,842,584.12
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Solution
The fourth proportional to 6,890,879.96, 10,335,531.24 and 1,842,584.12 is: 2,763,665.28
Step by Step Solution
- Step 1: Write the proportion equation
6,890,879.96 : 10,335,531.24 = 1,842,584.12 : x - Step 2: Convert to fraction form
6,890,879.96/10,335,531.24 = 1,842,584.12/x - Step 3: Cross multiply
6,890,879.96x = 10,335,531.24 × 1,842,584.12 - Step 4: Simplify right side
6,890,879.96x = 19,044,085,682,910.25 - Step 5: Solve for x
x = 19,044,085,682,910.25/6,890,879.96 - Step 6: Final answer
x = 2,763,665.28
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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.