Finding the Fourth Proportional to 4,004,489.46, 5,526,161.95 and 2,168,905.12
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Solution
The fourth proportional to 4,004,489.46, 5,526,161.95 and 2,168,905.12 is: 2,993,070.92
Step by Step Solution
- Step 1: Write the proportion equation
4,004,489.46 : 5,526,161.95 = 2,168,905.12 : x - Step 2: Convert to fraction form
4,004,489.46/5,526,161.95 = 2,168,905.12/x - Step 3: Cross multiply
4,004,489.46x = 5,526,161.95 × 2,168,905.12 - Step 4: Simplify right side
4,004,489.46x = 11,985,720,947,304.19 - Step 5: Solve for x
x = 11,985,720,947,304.19/4,004,489.46 - Step 6: Final answer
x = 2,993,070.92
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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.