Finding the Fourth Proportional to 2,251,028.25, 3,106,715.45 and 1,283,936.85
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Solution
The fourth proportional to 2,251,028.25, 3,106,715.45 and 1,283,936.85 is: 1,772,001.95
Step by Step Solution
- Step 1: Write the proportion equation
2,251,028.25 : 3,106,715.45 = 1,283,936.85 : x - Step 2: Convert to fraction form
2,251,028.25/3,106,715.45 = 1,283,936.85/x - Step 3: Cross multiply
2,251,028.25x = 3,106,715.45 × 1,283,936.85 - Step 4: Simplify right side
2,251,028.25x = 3,988,826,442,299.65 - Step 5: Solve for x
x = 3,988,826,442,299.65/2,251,028.25 - Step 6: Final answer
x = 1,772,001.95
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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.