Finding the Fourth Proportional to 1,901,928.92, 2,624,931.04 and 1,177,010.12
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Solution
The fourth proportional to 1,901,928.92, 2,624,931.04 and 1,177,010.12 is: 1,624,440.52
Step by Step Solution
- Step 1: Write the proportion equation
1,901,928.92 : 2,624,931.04 = 1,177,010.12 : x - Step 2: Convert to fraction form
1,901,928.92/2,624,931.04 = 1,177,010.12/x - Step 3: Cross multiply
1,901,928.92x = 2,624,931.04 × 1,177,010.12 - Step 4: Simplify right side
1,901,928.92x = 3,089,570,398,382.13 - Step 5: Solve for x
x = 3,089,570,398,382.13/1,901,928.92 - Step 6: Final answer
x = 1,624,440.52
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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.