Finding the Fourth Proportional to 2,557,651.19, 3,529,558.95 and 1,411,731.84
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Solution
The fourth proportional to 2,557,651.19, 3,529,558.95 and 1,411,731.84 is: 1,948,190.11
Step by Step Solution
- Step 1: Write the proportion equation
2,557,651.19 : 3,529,558.95 = 1,411,731.84 : x - Step 2: Convert to fraction form
2,557,651.19/3,529,558.95 = 1,411,731.84/x - Step 3: Cross multiply
2,557,651.19x = 3,529,558.95 × 1,411,731.84 - Step 4: Simplify right side
2,557,651.19x = 4,982,790,750,871.97 - Step 5: Solve for x
x = 4,982,790,750,871.97/2,557,651.19 - Step 6: Final answer
x = 1,948,190.11
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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.