Finding the Fourth Proportional to 2,102,655.11, 2,901,665.23 and 1,135,785.31
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Solution
The fourth proportional to 2,102,655.11, 2,901,665.23 and 1,135,785.31 is: 1,567,384.36
Step by Step Solution
- Step 1: Write the proportion equation
2,102,655.11 : 2,901,665.23 = 1,135,785.31 : x - Step 2: Convert to fraction form
2,102,655.11/2,901,665.23 = 1,135,785.31/x - Step 3: Cross multiply
2,102,655.11x = 2,901,665.23 × 1,135,785.31 - Step 4: Simplify right side
2,102,655.11x = 3,295,668,732,678.15 - Step 5: Solve for x
x = 3,295,668,732,678.15/2,102,655.11 - Step 6: Final answer
x = 1,567,384.36
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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.