Finding the Fourth Proportional to 2,752,546.10, 4,128,819.69 and 859,449.74
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Solution
The fourth proportional to 2,752,546.10, 4,128,819.69 and 859,449.74 is: 1,289,174.78
Step by Step Solution
- Step 1: Write the proportion equation
2,752,546.10 : 4,128,819.69 = 859,449.74 : x - Step 2: Convert to fraction form
2,752,546.10/4,128,819.69 = 859,449.74/x - Step 3: Cross multiply
2,752,546.10x = 4,128,819.69 × 859,449.74 - Step 4: Simplify right side
2,752,546.10x = 3,548,513,009,077.38 - Step 5: Solve for x
x = 3,548,513,009,077.38/2,752,546.10 - Step 6: Final answer
x = 1,289,174.78
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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.