Finding the Fourth Proportional to 1,694,876.85, 2,542,319.46 and 415,489.95
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Solution
The fourth proportional to 1,694,876.85, 2,542,319.46 and 415,489.95 is: 623,235.95
Step by Step Solution
- Step 1: Write the proportion equation
1,694,876.85 : 2,542,319.46 = 415,489.95 : x - Step 2: Convert to fraction form
1,694,876.85/2,542,319.46 = 415,489.95/x - Step 3: Cross multiply
1,694,876.85x = 2,542,319.46 × 415,489.95 - Step 4: Simplify right side
1,694,876.85x = 1,056,308,185,319.43 - Step 5: Solve for x
x = 1,056,308,185,319.43/1,694,876.85 - Step 6: Final answer
x = 623,235.95
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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.