Finding the Fourth Proportional to 1,674,755.49, 2,311,682.91 and 1,331,201.01
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Solution
The fourth proportional to 1,674,755.49, 2,311,682.91 and 1,331,201.01 is: 1,837,470.99
Step by Step Solution
- Step 1: Write the proportion equation
1,674,755.49 : 2,311,682.91 = 1,331,201.01 : x - Step 2: Convert to fraction form
1,674,755.49/2,311,682.91 = 1,331,201.01/x - Step 3: Cross multiply
1,674,755.49x = 2,311,682.91 × 1,331,201.01 - Step 4: Simplify right side
1,674,755.49x = 3,077,314,624,591.74 - Step 5: Solve for x
x = 3,077,314,624,591.74/1,674,755.49 - Step 6: Final answer
x = 1,837,470.99
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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.