Finding the Fourth Proportional to 2,557,768.98, 3,529,720.66 and 1,411,849.02
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Solution
The fourth proportional to 2,557,768.98, 3,529,720.66 and 1,411,849.02 is: 1,948,351.35
Step by Step Solution
- Step 1: Write the proportion equation
2,557,768.98 : 3,529,720.66 = 1,411,849.02 : x - Step 2: Convert to fraction form
2,557,768.98/3,529,720.66 = 1,411,849.02/x - Step 3: Cross multiply
2,557,768.98x = 3,529,720.66 × 1,411,849.02 - Step 4: Simplify right side
2,557,768.98x = 4,983,432,654,694.75 - Step 5: Solve for x
x = 4,983,432,654,694.75/2,557,768.98 - Step 6: Final answer
x = 1,948,351.35
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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.