Finding the Fourth Proportional to 4,818,121.99, 6,649,199.69 and 2,642,744.67
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Solution
The fourth proportional to 4,818,121.99, 6,649,199.69 and 2,642,744.67 is: 3,647,092.59
Step by Step Solution
- Step 1: Write the proportion equation
4,818,121.99 : 6,649,199.69 = 2,642,744.67 : x - Step 2: Convert to fraction form
4,818,121.99/6,649,199.69 = 2,642,744.67/x - Step 3: Cross multiply
4,818,121.99x = 6,649,199.69 × 2,642,744.67 - Step 4: Simplify right side
4,818,121.99x = 17,572,137,027,299.43 - Step 5: Solve for x
x = 17,572,137,027,299.43/4,818,121.99 - Step 6: Final answer
x = 3,647,092.59
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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.