Finding the Fourth Proportional to 1,418,100.21, 2,126,826.35 and 407,214.14
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Solution
The fourth proportional to 1,418,100.21, 2,126,826.35 and 407,214.14 is: 610,728.17
Step by Step Solution
- Step 1: Write the proportion equation
1,418,100.21 : 2,126,826.35 = 407,214.14 : x - Step 2: Convert to fraction form
1,418,100.21/2,126,826.35 = 407,214.14/x - Step 3: Cross multiply
1,418,100.21x = 2,126,826.35 × 407,214.14 - Step 4: Simplify right side
1,418,100.21x = 866,073,751,901.44 - Step 5: Solve for x
x = 866,073,751,901.44/1,418,100.21 - Step 6: Final answer
x = 610,728.17
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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.