Finding the Fourth Proportional to 2,015,877.09, 2,781,910.41 and 1,110,459.09
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Solution
The fourth proportional to 2,015,877.09, 2,781,910.41 and 1,110,459.09 is: 1,532,433.56
Step by Step Solution
- Step 1: Write the proportion equation
2,015,877.09 : 2,781,910.41 = 1,110,459.09 : x - Step 2: Convert to fraction form
2,015,877.09/2,781,910.41 = 1,110,459.09/x - Step 3: Cross multiply
2,015,877.09x = 2,781,910.41 × 1,110,459.09 - Step 4: Simplify right side
2,015,877.09x = 3,089,197,702,350.13 - Step 5: Solve for x
x = 3,089,197,702,350.13/2,015,877.09 - Step 6: Final answer
x = 1,532,433.56
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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.