Finding the Fourth Proportional to 2,756,983.80, 4,135,475.70 and 2,048,395.80
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Solution
The fourth proportional to 2,756,983.80, 4,135,475.70 and 2,048,395.80 is: 3,072,593.70
Step by Step Solution
- Step 1: Write the proportion equation
2,756,983.80 : 4,135,475.70 = 2,048,395.80 : x - Step 2: Convert to fraction form
2,756,983.80/4,135,475.70 = 2,048,395.80/x - Step 3: Cross multiply
2,756,983.80x = 4,135,475.70 × 2,048,395.80 - Step 4: Simplify right side
2,756,983.80x = 8,471,091,054,882.06 - Step 5: Solve for x
x = 8,471,091,054,882.06/2,756,983.80 - Step 6: Final answer
x = 3,072,593.70
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.