Finding the Fourth Proportional to 2,257,318.02, 3,115,136.97 and 1,238,817.54
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Solution
The fourth proportional to 2,257,318.02, 3,115,136.97 and 1,238,817.54 is: 1,709,589.12
Step by Step Solution
- Step 1: Write the proportion equation
2,257,318.02 : 3,115,136.97 = 1,238,817.54 : x - Step 2: Convert to fraction form
2,257,318.02/3,115,136.97 = 1,238,817.54/x - Step 3: Cross multiply
2,257,318.02x = 3,115,136.97 × 1,238,817.54 - Step 4: Simplify right side
2,257,318.02x = 3,859,086,317,938.45 - Step 5: Solve for x
x = 3,859,086,317,938.45/2,257,318.02 - Step 6: Final answer
x = 1,709,589.12
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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.