Finding the Fourth Proportional to 2,557,620.56, 3,529,516.68 and 1,411,701.21
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Solution
The fourth proportional to 2,557,620.56, 3,529,516.68 and 1,411,701.21 is: 1,948,147.84
Step by Step Solution
- Step 1: Write the proportion equation
2,557,620.56 : 3,529,516.68 = 1,411,701.21 : x - Step 2: Convert to fraction form
2,557,620.56/3,529,516.68 = 1,411,701.21/x - Step 3: Cross multiply
2,557,620.56x = 3,529,516.68 × 1,411,701.21 - Step 4: Simplify right side
2,557,620.56x = 4,982,622,967,871.18 - Step 5: Solve for x
x = 4,982,622,967,871.18/2,557,620.56 - Step 6: Final answer
x = 1,948,147.84
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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.