Finding the Fourth Proportional to 4,279,529.36, 5,905,821.87 and 2,319,470.03
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Solution
The fourth proportional to 4,279,529.36, 5,905,821.87 and 2,319,470.03 is: 3,200,907.31
Step by Step Solution
- Step 1: Write the proportion equation
4,279,529.36 : 5,905,821.87 = 2,319,470.03 : x - Step 2: Convert to fraction form
4,279,529.36/5,905,821.87 = 2,319,470.03/x - Step 3: Cross multiply
4,279,529.36x = 5,905,821.87 × 2,319,470.03 - Step 4: Simplify right side
4,279,529.36x = 13,698,376,829,983.55 - Step 5: Solve for x
x = 13,698,376,829,983.55/4,279,529.36 - Step 6: Final answer
x = 3,200,907.31
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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.