Finding the Fourth Proportional to 1,418,774.28, 2,128,163.82 and 1,136,261.64
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Solution
The fourth proportional to 1,418,774.28, 2,128,163.82 and 1,136,261.64 is: 1,704,394.38
Step by Step Solution
- Step 1: Write the proportion equation
1,418,774.28 : 2,128,163.82 = 1,136,261.64 : x - Step 2: Convert to fraction form
1,418,774.28/2,128,163.82 = 1,136,261.64/x - Step 3: Cross multiply
1,418,774.28x = 2,128,163.82 × 1,136,261.64 - Step 4: Simplify right side
1,418,774.28x = 2,418,150,912,301.86 - Step 5: Solve for x
x = 2,418,150,912,301.86/1,418,774.28 - Step 6: Final answer
x = 1,704,394.38
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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.