Finding the Fourth Proportional to 2,545,207.56, 3,512,354.88 and 1,399,277.88
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Solution
The fourth proportional to 2,545,207.56, 3,512,354.88 and 1,399,277.88 is: 1,930,986.13
Step by Step Solution
- Step 1: Write the proportion equation
2,545,207.56 : 3,512,354.88 = 1,399,277.88 : x - Step 2: Convert to fraction form
2,545,207.56/3,512,354.88 = 1,399,277.88/x - Step 3: Cross multiply
2,545,207.56x = 3,512,354.88 × 1,399,277.88 - Step 4: Simplify right side
2,545,207.56x = 4,914,760,490,294.05 - Step 5: Solve for x
x = 4,914,760,490,294.05/2,545,207.56 - Step 6: Final answer
x = 1,930,986.13
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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.