Finding the Fourth Proportional to 2,113,846.90, 3,170,761.81 and 765,693.99
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Solution
The fourth proportional to 2,113,846.90, 3,170,761.81 and 765,693.99 is: 1,148,537.89
Step by Step Solution
- Step 1: Write the proportion equation
2,113,846.90 : 3,170,761.81 = 765,693.99 : x - Step 2: Convert to fraction form
2,113,846.90/3,170,761.81 = 765,693.99/x - Step 3: Cross multiply
2,113,846.90x = 3,170,761.81 × 765,693.99 - Step 4: Simplify right side
2,113,846.90x = 2,427,833,250,806.52 - Step 5: Solve for x
x = 2,427,833,250,806.52/2,113,846.90 - Step 6: Final answer
x = 1,148,537.89
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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.