Finding the Fourth Proportional to 2,125,526.20, 3,188,910.47 and 686,175.84
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Solution
The fourth proportional to 2,125,526.20, 3,188,910.47 and 686,175.84 is: 1,029,464.29
Step by Step Solution
- Step 1: Write the proportion equation
2,125,526.20 : 3,188,910.47 = 686,175.84 : x - Step 2: Convert to fraction form
2,125,526.20/3,188,910.47 = 686,175.84/x - Step 3: Cross multiply
2,125,526.20x = 3,188,910.47 × 686,175.84 - Step 4: Simplify right side
2,125,526.20x = 2,188,153,317,006.17 - Step 5: Solve for x
x = 2,188,153,317,006.17/2,125,526.20 - Step 6: Final answer
x = 1,029,464.29
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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.