Finding the Fourth Proportional to 3,560,716.04, 4,913,781.48 and 1,929,163.95
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Solution
The fourth proportional to 3,560,716.04, 4,913,781.48 and 1,929,163.95 is: 2,662,242.65
Step by Step Solution
- Step 1: Write the proportion equation
3,560,716.04 : 4,913,781.48 = 1,929,163.95 : x - Step 2: Convert to fraction form
3,560,716.04/4,913,781.48 = 1,929,163.95/x - Step 3: Cross multiply
3,560,716.04x = 4,913,781.48 × 1,929,163.95 - Step 4: Simplify right side
3,560,716.04x = 9,479,490,089,393.65 - Step 5: Solve for x
x = 9,479,490,089,393.65/3,560,716.04 - Step 6: Final answer
x = 2,662,242.65
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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.