Finding the Fourth Proportional to 1,406,107.27, 2,108,223.46 and 459,145.99
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Solution
The fourth proportional to 1,406,107.27, 2,108,223.46 and 459,145.99 is: 688,412.87
Step by Step Solution
- Step 1: Write the proportion equation
1,406,107.27 : 2,108,223.46 = 459,145.99 : x - Step 2: Convert to fraction form
1,406,107.27/2,108,223.46 = 459,145.99/x - Step 3: Cross multiply
1,406,107.27x = 2,108,223.46 × 459,145.99 - Step 4: Simplify right side
1,406,107.27x = 967,982,347,682.93 - Step 5: Solve for x
x = 967,982,347,682.93/1,406,107.27 - Step 6: Final answer
x = 688,412.87
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.