Finding the Fourth Proportional to 1,438,211.17, 1,984,718.92 and 784,850.12
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Solution
The fourth proportional to 1,438,211.17, 1,984,718.92 and 784,850.12 is: 1,083,086.34
Step by Step Solution
- Step 1: Write the proportion equation
1,438,211.17 : 1,984,718.92 = 784,850.12 : x - Step 2: Convert to fraction form
1,438,211.17/1,984,718.92 = 784,850.12/x - Step 3: Cross multiply
1,438,211.17x = 1,984,718.92 × 784,850.12 - Step 4: Simplify right side
1,438,211.17x = 1,557,706,872,114.14 - Step 5: Solve for x
x = 1,557,706,872,114.14/1,438,211.17 - Step 6: Final answer
x = 1,083,086.34
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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.