Finding the Fourth Proportional to 1,839,355.40, 2,538,531.42 and 1,114,181.84
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Solution
The fourth proportional to 1,839,355.40, 2,538,531.42 and 1,114,181.84 is: 1,537,704.79
Step by Step Solution
- Step 1: Write the proportion equation
1,839,355.40 : 2,538,531.42 = 1,114,181.84 : x - Step 2: Convert to fraction form
1,839,355.40/2,538,531.42 = 1,114,181.84/x - Step 3: Cross multiply
1,839,355.40x = 2,538,531.42 × 1,114,181.84 - Step 4: Simplify right side
1,839,355.40x = 2,828,385,608,433.41 - Step 5: Solve for x
x = 2,828,385,608,433.41/1,839,355.40 - Step 6: Final answer
x = 1,537,704.79
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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.