Finding the Fourth Proportional to 3,963,525.12, 5,471,930.88 and 2,609,334.72
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Solution
The fourth proportional to 3,963,525.12, 5,471,930.88 and 2,609,334.72 is: 3,602,373.85
Step by Step Solution
- Step 1: Write the proportion equation
3,963,525.12 : 5,471,930.88 = 2,609,334.72 : x - Step 2: Convert to fraction form
3,963,525.12/5,471,930.88 = 2,609,334.72/x - Step 3: Cross multiply
3,963,525.12x = 5,471,930.88 × 2,609,334.72 - Step 4: Simplify right side
3,963,525.12x = 14,278,099,230,624.15 - Step 5: Solve for x
x = 14,278,099,230,624.15/3,963,525.12 - Step 6: Final answer
x = 3,602,373.85
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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.