Finding the Fourth Proportional to 2,102,631.80, 2,901,633.06 and 1,135,762.10
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Solution
The fourth proportional to 2,102,631.80, 2,901,633.06 and 1,135,762.10 is: 1,567,352.34
Step by Step Solution
- Step 1: Write the proportion equation
2,102,631.80 : 2,901,633.06 = 1,135,762.10 : x - Step 2: Convert to fraction form
2,102,631.80/2,901,633.06 = 1,135,762.10/x - Step 3: Cross multiply
2,102,631.80x = 2,901,633.06 × 1,135,762.10 - Step 4: Simplify right side
2,102,631.80x = 3,295,564,874,608.78 - Step 5: Solve for x
x = 3,295,564,874,608.78/2,102,631.80 - Step 6: Final answer
x = 1,567,352.34
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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.