Finding the Fourth Proportional to 3,465,148.53, 5,198,079.29 and 1,307,990.65
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Solution
The fourth proportional to 3,465,148.53, 5,198,079.29 and 1,307,990.65 is: 1,962,120.54
Step by Step Solution
- Step 1: Write the proportion equation
3,465,148.53 : 5,198,079.29 = 1,307,990.65 : x - Step 2: Convert to fraction form
3,465,148.53/5,198,079.29 = 1,307,990.65/x - Step 3: Cross multiply
3,465,148.53x = 5,198,079.29 × 1,307,990.65 - Step 4: Simplify right side
3,465,148.53x = 6,799,039,096,283.44 - Step 5: Solve for x
x = 6,799,039,096,283.44/3,465,148.53 - Step 6: Final answer
x = 1,962,120.54
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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.