Finding the Fourth Proportional to 2,521,431.09, 3,479,558.66 and 1,433,702.58
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Solution
The fourth proportional to 2,521,431.09, 3,479,558.66 and 1,433,702.58 is: 1,978,500.33
Step by Step Solution
- Step 1: Write the proportion equation
2,521,431.09 : 3,479,558.66 = 1,433,702.58 : x - Step 2: Convert to fraction form
2,521,431.09/3,479,558.66 = 1,433,702.58/x - Step 3: Cross multiply
2,521,431.09x = 3,479,558.66 × 1,433,702.58 - Step 4: Simplify right side
2,521,431.09x = 4,988,652,240,899.96 - Step 5: Solve for x
x = 4,988,652,240,899.96/2,521,431.09 - Step 6: Final answer
x = 1,978,500.33
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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.