Finding the Fourth Proportional to 2,612,930.14, 3,919,393.76 and 815,967.62
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Solution
The fourth proportional to 2,612,930.14, 3,919,393.76 and 815,967.62 is: 1,223,950.98
Step by Step Solution
- Step 1: Write the proportion equation
2,612,930.14 : 3,919,393.76 = 815,967.62 : x - Step 2: Convert to fraction form
2,612,930.14/3,919,393.76 = 815,967.62/x - Step 3: Cross multiply
2,612,930.14x = 3,919,393.76 × 815,967.62 - Step 4: Simplify right side
2,612,930.14x = 3,198,098,398,190.05 - Step 5: Solve for x
x = 3,198,098,398,190.05/2,612,930.14 - Step 6: Final answer
x = 1,223,950.98
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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.