Finding the Fourth Proportional to 4,474,263.88, 6,178,129.86 and 3,647,470.60
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Solution
The fourth proportional to 4,474,263.88, 6,178,129.86 and 3,647,470.60 is: 5,036,481.45
Step by Step Solution
- Step 1: Write the proportion equation
4,474,263.88 : 6,178,129.86 = 3,647,470.60 : x - Step 2: Convert to fraction form
4,474,263.88/6,178,129.86 = 3,647,470.60/x - Step 3: Cross multiply
4,474,263.88x = 6,178,129.86 × 3,647,470.60 - Step 4: Simplify right side
4,474,263.88x = 22,534,547,027,332.12 - Step 5: Solve for x
x = 22,534,547,027,332.12/4,474,263.88 - Step 6: Final answer
x = 5,036,481.45
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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.