Finding the Fourth Proportional to 4,364,292.80, 6,546,438.78 and 1,668,890.63
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Solution
The fourth proportional to 4,364,292.80, 6,546,438.78 and 1,668,890.63 is: 2,503,335.78
Step by Step Solution
- Step 1: Write the proportion equation
4,364,292.80 : 6,546,438.78 = 1,668,890.63 : x - Step 2: Convert to fraction form
4,364,292.80/6,546,438.78 = 1,668,890.63/x - Step 3: Cross multiply
4,364,292.80x = 6,546,438.78 × 1,668,890.63 - Step 4: Simplify right side
4,364,292.80x = 10,925,290,307,078.44 - Step 5: Solve for x
x = 10,925,290,307,078.44/4,364,292.80 - Step 6: Final answer
x = 2,503,335.78
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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.