Finding the Fourth Proportional to 1,824,378.16, 2,517,224.18 and 1,089,189.35
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Solution
The fourth proportional to 1,824,378.16, 2,517,224.18 and 1,089,189.35 is: 1,502,831.94
Step by Step Solution
- Step 1: Write the proportion equation
1,824,378.16 : 2,517,224.18 = 1,089,189.35 : x - Step 2: Convert to fraction form
1,824,378.16/2,517,224.18 = 1,089,189.35/x - Step 3: Cross multiply
1,824,378.16x = 2,517,224.18 × 1,089,189.35 - Step 4: Simplify right side
1,824,378.16x = 2,741,733,759,826.01 - Step 5: Solve for x
x = 2,741,733,759,826.01/1,824,378.16 - Step 6: Final answer
x = 1,502,831.94
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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.