Finding the Fourth Proportional to 1,551,891.03, 2,140,396.36 and 1,008,201.99
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Solution
The fourth proportional to 1,551,891.03, 2,140,396.36 and 1,008,201.99 is: 1,390,530.54
Step by Step Solution
- Step 1: Write the proportion equation
1,551,891.03 : 2,140,396.36 = 1,008,201.99 : x - Step 2: Convert to fraction form
1,551,891.03/2,140,396.36 = 1,008,201.99/x - Step 3: Cross multiply
1,551,891.03x = 2,140,396.36 × 1,008,201.99 - Step 4: Simplify right side
1,551,891.03x = 2,157,951,869,540.76 - Step 5: Solve for x
x = 2,157,951,869,540.76/1,551,891.03 - Step 6: Final answer
x = 1,390,530.54
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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.