Finding the Fourth Proportional to 2,074,899.75, 2,863,361.66 and 1,121,043.75
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Solution
The fourth proportional to 2,074,899.75, 2,863,361.66 and 1,121,043.75 is: 1,547,040.38
Step by Step Solution
- Step 1: Write the proportion equation
2,074,899.75 : 2,863,361.66 = 1,121,043.75 : x - Step 2: Convert to fraction form
2,074,899.75/2,863,361.66 = 1,121,043.75/x - Step 3: Cross multiply
2,074,899.75x = 2,863,361.66 × 1,121,043.75 - Step 4: Simplify right side
2,074,899.75x = 3,209,953,687,327.41 - Step 5: Solve for x
x = 3,209,953,687,327.41/2,074,899.75 - Step 6: Final answer
x = 1,547,040.38
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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.