Finding the Fourth Proportional to 2,135,491.76, 2,946,978.68 and 1,168,622.08
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Solution
The fourth proportional to 2,135,491.76, 2,946,978.68 and 1,168,622.08 is: 1,612,698.50
Step by Step Solution
- Step 1: Write the proportion equation
2,135,491.76 : 2,946,978.68 = 1,168,622.08 : x - Step 2: Convert to fraction form
2,135,491.76/2,946,978.68 = 1,168,622.08/x - Step 3: Cross multiply
2,135,491.76x = 2,946,978.68 × 1,168,622.08 - Step 4: Simplify right side
2,135,491.76x = 3,443,904,354,737.26 - Step 5: Solve for x
x = 3,443,904,354,737.26/2,135,491.76 - Step 6: Final answer
x = 1,612,698.50
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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.