Finding the Fourth Proportional to 2,641,898.76, 3,644,568.42 and 1,782,735.84
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Solution
The fourth proportional to 2,641,898.76, 3,644,568.42 and 1,782,735.84 is: 2,459,330.71
Step by Step Solution
- Step 1: Write the proportion equation
2,641,898.76 : 3,644,568.42 = 1,782,735.84 : x - Step 2: Convert to fraction form
2,641,898.76/3,644,568.42 = 1,782,735.84/x - Step 3: Cross multiply
2,641,898.76x = 3,644,568.42 × 1,782,735.84 - Step 4: Simplify right side
2,641,898.76x = 6,497,302,743,666.17 - Step 5: Solve for x
x = 6,497,302,743,666.17/2,641,898.76 - Step 6: Final answer
x = 2,459,330.71
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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.