Finding the Fourth Proportional to 1,694,893.60, 2,542,344.60 and 415,506.70
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Solution
The fourth proportional to 1,694,893.60, 2,542,344.60 and 415,506.70 is: 623,261.08
Step by Step Solution
- Step 1: Write the proportion equation
1,694,893.60 : 2,542,344.60 = 415,506.70 : x - Step 2: Convert to fraction form
1,694,893.60/2,542,344.60 = 415,506.70/x - Step 3: Cross multiply
1,694,893.60x = 2,542,344.60 × 415,506.70 - Step 4: Simplify right side
1,694,893.60x = 1,056,361,215,008.82 - Step 5: Solve for x
x = 1,056,361,215,008.82/1,694,893.60 - Step 6: Final answer
x = 623,261.08
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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.