Finding the Fourth Proportional to 1,448,091.50, 2,172,488.38 and 437,153.09
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Solution
The fourth proportional to 1,448,091.50, 2,172,488.38 and 437,153.09 is: 655,835.63
Step by Step Solution
- Step 1: Write the proportion equation
1,448,091.50 : 2,172,488.38 = 437,153.09 : x - Step 2: Convert to fraction form
1,448,091.50/2,172,488.38 = 437,153.09/x - Step 3: Cross multiply
1,448,091.50x = 2,172,488.38 × 437,153.09 - Step 4: Simplify right side
1,448,091.50x = 949,709,996,350.77 - Step 5: Solve for x
x = 949,709,996,350.77/1,448,091.50 - Step 6: Final answer
x = 655,835.63
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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.