Finding the Fourth Proportional to 6,120,810.80, 9,170,718.60 and 2,919,042.80
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Solution
The fourth proportional to 6,120,810.80, 9,170,718.60 and 2,919,042.80 is: 4,373,557.85
Step by Step Solution
- Step 1: Write the proportion equation
6,120,810.80 : 9,170,718.60 = 2,919,042.80 : x - Step 2: Convert to fraction form
6,120,810.80/9,170,718.60 = 2,919,042.80/x - Step 3: Cross multiply
6,120,810.80x = 9,170,718.60 × 2,919,042.80 - Step 4: Simplify right side
6,120,810.80x = 26,769,720,100,156.08 - Step 5: Solve for x
x = 26,769,720,100,156.08/6,120,810.80 - Step 6: Final answer
x = 4,373,557.85
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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.