Finding the Fourth Proportional to 1,660,764.60, 2,489,579.55 and 901,486.80
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Solution
The fourth proportional to 1,660,764.60, 2,489,579.55 and 901,486.80 is: 1,351,379.42
Step by Step Solution
- Step 1: Write the proportion equation
1,660,764.60 : 2,489,579.55 = 901,486.80 : x - Step 2: Convert to fraction form
1,660,764.60/2,489,579.55 = 901,486.80/x - Step 3: Cross multiply
1,660,764.60x = 2,489,579.55 × 901,486.80 - Step 4: Simplify right side
1,660,764.60x = 2,244,323,101,874.94 - Step 5: Solve for x
x = 2,244,323,101,874.94/1,660,764.60 - Step 6: Final answer
x = 1,351,379.42
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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.