Finding the Fourth Proportional to 2,135,223.70, 2,946,583.65 and 1,168,342.90
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Solution
The fourth proportional to 2,135,223.70, 2,946,583.65 and 1,168,342.90 is: 1,612,299.49
Step by Step Solution
- Step 1: Write the proportion equation
2,135,223.70 : 2,946,583.65 = 1,168,342.90 : x - Step 2: Convert to fraction form
2,135,223.70/2,946,583.65 = 1,168,342.90/x - Step 3: Cross multiply
2,135,223.70x = 2,946,583.65 × 1,168,342.90 - Step 4: Simplify right side
2,135,223.70x = 3,442,620,086,733.58 - Step 5: Solve for x
x = 3,442,620,086,733.58/2,135,223.70 - Step 6: Final answer
x = 1,612,299.49
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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.