Finding the Fourth Proportional to 2,905,440.44, 4,000,381.12 and 2,468,937.11
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Solution
The fourth proportional to 2,905,440.44, 4,000,381.12 and 2,468,937.11 is: 3,399,377.69
Step by Step Solution
- Step 1: Write the proportion equation
2,905,440.44 : 4,000,381.12 = 2,468,937.11 : x - Step 2: Convert to fraction form
2,905,440.44/4,000,381.12 = 2,468,937.11/x - Step 3: Cross multiply
2,905,440.44x = 4,000,381.12 × 2,468,937.11 - Step 4: Simplify right side
2,905,440.44x = 9,876,689,384,395.63 - Step 5: Solve for x
x = 9,876,689,384,395.63/2,905,440.44 - Step 6: Final answer
x = 3,399,377.69
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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.