Finding the Fourth Proportional to 2,777,709.47, 3,833,387.97 and 1,553,942.00
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Solution
The fourth proportional to 2,777,709.47, 3,833,387.97 and 1,553,942.00 is: 2,144,523.27
Step by Step Solution
- Step 1: Write the proportion equation
2,777,709.47 : 3,833,387.97 = 1,553,942.00 : x - Step 2: Convert to fraction form
2,777,709.47/3,833,387.97 = 1,553,942.00/x - Step 3: Cross multiply
2,777,709.47x = 3,833,387.97 × 1,553,942.00 - Step 4: Simplify right side
2,777,709.47x = 5,956,862,578,461.21 - Step 5: Solve for x
x = 5,956,862,578,461.21/2,777,709.47 - Step 6: Final answer
x = 2,144,523.27
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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.