Finding the Fourth Proportional to 1,694,841.09, 2,542,265.73 and 415,454.28
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Solution
The fourth proportional to 1,694,841.09, 2,542,265.73 and 415,454.28 is: 623,182.42
Step by Step Solution
- Step 1: Write the proportion equation
1,694,841.09 : 2,542,265.73 = 415,454.28 : x - Step 2: Convert to fraction form
1,694,841.09/2,542,265.73 = 415,454.28/x - Step 3: Cross multiply
1,694,841.09x = 2,542,265.73 × 415,454.28 - Step 4: Simplify right side
1,694,841.09x = 1,056,195,178,425.82 - Step 5: Solve for x
x = 1,056,195,178,425.82/1,694,841.09 - Step 6: Final answer
x = 623,182.42
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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.