Finding the Fourth Proportional to 1,810,824.53, 2,497,224.94 and 1,189,532.79
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Solution
The fourth proportional to 1,810,824.53, 2,497,224.94 and 1,189,532.79 is: 1,640,430.04
Step by Step Solution
- Step 1: Write the proportion equation
1,810,824.53 : 2,497,224.94 = 1,189,532.79 : x - Step 2: Convert to fraction form
1,810,824.53/2,497,224.94 = 1,189,532.79/x - Step 3: Cross multiply
1,810,824.53x = 2,497,224.94 × 1,189,532.79 - Step 4: Simplify right side
1,810,824.53x = 2,970,530,947,161.95 - Step 5: Solve for x
x = 2,970,530,947,161.95/1,810,824.53 - Step 6: Final answer
x = 1,640,430.04
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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.