Finding the Fourth Proportional to 2,688,370.26, 3,709,948.92 and 1,481,146.26
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Solution
The fourth proportional to 2,688,370.26, 3,709,948.92 and 1,481,146.26 is: 2,043,980.72
Step by Step Solution
- Step 1: Write the proportion equation
2,688,370.26 : 3,709,948.92 = 1,481,146.26 : x - Step 2: Convert to fraction form
2,688,370.26/3,709,948.92 = 1,481,146.26/x - Step 3: Cross multiply
2,688,370.26x = 3,709,948.92 × 1,481,146.26 - Step 4: Simplify right side
2,688,370.26x = 5,494,976,967,649.04 - Step 5: Solve for x
x = 5,494,976,967,649.04/2,688,370.26 - Step 6: Final answer
x = 2,043,980.72
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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.