Finding the Fourth Proportional to 5,620,795.71, 8,429,932.42 and 2,585,245.17
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Solution
The fourth proportional to 5,620,795.71, 8,429,932.42 and 2,585,245.17 is: 3,877,287.71
Step by Step Solution
- Step 1: Write the proportion equation
5,620,795.71 : 8,429,932.42 = 2,585,245.17 : x - Step 2: Convert to fraction form
5,620,795.71/8,429,932.42 = 2,585,245.17/x - Step 3: Cross multiply
5,620,795.71x = 8,429,932.42 × 2,585,245.17 - Step 4: Simplify right side
5,620,795.71x = 21,793,442,111,922.55 - Step 5: Solve for x
x = 21,793,442,111,922.55/5,620,795.71 - Step 6: Final answer
x = 3,877,287.71
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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.