Finding the Fourth Proportional to 1,910,391.21, 2,636,361.75 and 1,094,578.53
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Solution
The fourth proportional to 1,910,391.21, 2,636,361.75 and 1,094,578.53 is: 1,510,530.91
Step by Step Solution
- Step 1: Write the proportion equation
1,910,391.21 : 2,636,361.75 = 1,094,578.53 : x - Step 2: Convert to fraction form
1,910,391.21/2,636,361.75 = 1,094,578.53/x - Step 3: Cross multiply
1,910,391.21x = 2,636,361.75 × 1,094,578.53 - Step 4: Simplify right side
1,910,391.21x = 2,885,704,968,863.23 - Step 5: Solve for x
x = 2,885,704,968,863.23/1,910,391.21 - Step 6: Final answer
x = 1,510,530.91
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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.