Finding the Fourth Proportional to 4,996,783.20, 6,895,553.04 and 2,704,943.28
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Solution
The fourth proportional to 4,996,783.20, 6,895,553.04 and 2,704,943.28 is: 3,732,817.52
Step by Step Solution
- Step 1: Write the proportion equation
4,996,783.20 : 6,895,553.04 = 2,704,943.28 : x - Step 2: Convert to fraction form
4,996,783.20/6,895,553.04 = 2,704,943.28/x - Step 3: Cross multiply
4,996,783.20x = 6,895,553.04 × 2,704,943.28 - Step 4: Simplify right side
4,996,783.20x = 18,652,079,857,431.57 - Step 5: Solve for x
x = 18,652,079,857,431.57/4,996,783.20 - Step 6: Final answer
x = 3,732,817.52
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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.