Finding the Fourth Proportional to 3,996,182.19, 5,515,236.50 and 2,620,683.12
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Solution
The fourth proportional to 3,996,182.19, 5,515,236.50 and 2,620,683.12 is: 3,616,873.93
Step by Step Solution
- Step 1: Write the proportion equation
3,996,182.19 : 5,515,236.50 = 2,620,683.12 : x - Step 2: Convert to fraction form
3,996,182.19/5,515,236.50 = 2,620,683.12/x - Step 3: Cross multiply
3,996,182.19x = 5,515,236.50 × 2,620,683.12 - Step 4: Simplify right side
3,996,182.19x = 14,453,687,198,357.88 - Step 5: Solve for x
x = 14,453,687,198,357.88/3,996,182.19 - Step 6: Final answer
x = 3,616,873.93
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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.