Finding the Fourth Proportional to 3,431,885.96, 5,148,266.34 and 1,302,579.02
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Solution
The fourth proportional to 3,431,885.96, 5,148,266.34 and 1,302,579.02 is: 1,954,034.54
Step by Step Solution
- Step 1: Write the proportion equation
3,431,885.96 : 5,148,266.34 = 1,302,579.02 : x - Step 2: Convert to fraction form
3,431,885.96/5,148,266.34 = 1,302,579.02/x - Step 3: Cross multiply
3,431,885.96x = 5,148,266.34 × 1,302,579.02 - Step 4: Simplify right side
3,431,885.96x = 6,706,023,691,601.96 - Step 5: Solve for x
x = 6,706,023,691,601.96/3,431,885.96 - Step 6: Final answer
x = 1,954,034.54
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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.