Finding the Fourth Proportional to 4,419,532.12, 6,629,440.72 and 1,224,689.08
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Solution
The fourth proportional to 4,419,532.12, 6,629,440.72 and 1,224,689.08 is: 1,837,073.12
Step by Step Solution
- Step 1: Write the proportion equation
4,419,532.12 : 6,629,440.72 = 1,224,689.08 : x - Step 2: Convert to fraction form
4,419,532.12/6,629,440.72 = 1,224,689.08/x - Step 3: Cross multiply
4,419,532.12x = 6,629,440.72 × 1,224,689.08 - Step 4: Simplify right side
4,419,532.12x = 8,119,003,656,291.34 - Step 5: Solve for x
x = 8,119,003,656,291.34/4,419,532.12 - Step 6: Final answer
x = 1,837,073.12
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.