Finding the Fourth Proportional to 5,212,794.63, 7,819,541.91 and 1,426,310.31
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Solution
The fourth proportional to 5,212,794.63, 7,819,541.91 and 1,426,310.31 is: 2,139,561.22
Step by Step Solution
- Step 1: Write the proportion equation
5,212,794.63 : 7,819,541.91 = 1,426,310.31 : x - Step 2: Convert to fraction form
5,212,794.63/7,819,541.91 = 1,426,310.31/x - Step 3: Cross multiply
5,212,794.63x = 7,819,541.91 × 1,426,310.31 - Step 4: Simplify right side
5,212,794.63x = 11,153,093,245,710.09 - Step 5: Solve for x
x = 11,153,093,245,710.09/5,212,794.63 - Step 6: Final answer
x = 2,139,561.22
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.