Finding the Fourth Proportional to 1,458,107.20, 2,186,504.70 and 559,250.20
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Solution
The fourth proportional to 1,458,107.20, 2,186,504.70 and 559,250.20 is: 838,623.66
Step by Step Solution
- Step 1: Write the proportion equation
1,458,107.20 : 2,186,504.70 = 559,250.20 : x - Step 2: Convert to fraction form
1,458,107.20/2,186,504.70 = 559,250.20/x - Step 3: Cross multiply
1,458,107.20x = 2,186,504.70 × 559,250.20 - Step 4: Simplify right side
1,458,107.20x = 1,222,803,190,775.94 - Step 5: Solve for x
x = 1,222,803,190,775.94/1,458,107.20 - Step 6: Final answer
x = 838,623.66
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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.