Finding the Fourth Proportional to 2,528,606.26, 3,489,190.05 and 1,496,145.70
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Solution
The fourth proportional to 2,528,606.26, 3,489,190.05 and 1,496,145.70 is: 2,064,511.49
Step by Step Solution
- Step 1: Write the proportion equation
2,528,606.26 : 3,489,190.05 = 1,496,145.70 : x - Step 2: Convert to fraction form
2,528,606.26/3,489,190.05 = 1,496,145.70/x - Step 3: Cross multiply
2,528,606.26x = 3,489,190.05 × 1,496,145.70 - Step 4: Simplify right side
2,528,606.26x = 5,220,336,689,790.28 - Step 5: Solve for x
x = 5,220,336,689,790.28/2,528,606.26 - Step 6: Final answer
x = 2,064,511.49
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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.