Finding the Fourth Proportional to 1,869,945.42, 2,580,524.60 and 1,010,505.68
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Solution
The fourth proportional to 1,869,945.42, 2,580,524.60 and 1,010,505.68 is: 1,394,497.79
Step by Step Solution
- Step 1: Write the proportion equation
1,869,945.42 : 2,580,524.60 = 1,010,505.68 : x - Step 2: Convert to fraction form
1,869,945.42/2,580,524.60 = 1,010,505.68/x - Step 3: Cross multiply
1,869,945.42x = 2,580,524.60 × 1,010,505.68 - Step 4: Simplify right side
1,869,945.42x = 2,607,634,755,303.37 - Step 5: Solve for x
x = 2,607,634,755,303.37/1,869,945.42 - Step 6: Final answer
x = 1,394,497.79
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.