Finding the Fourth Proportional to 1,621,276.09, 2,237,321.98 and 886,197.38
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Solution
The fourth proportional to 1,621,276.09, 2,237,321.98 and 886,197.38 is: 1,222,931.05
Step by Step Solution
- Step 1: Write the proportion equation
1,621,276.09 : 2,237,321.98 = 886,197.38 : x - Step 2: Convert to fraction form
1,621,276.09/2,237,321.98 = 886,197.38/x - Step 3: Cross multiply
1,621,276.09x = 2,237,321.98 × 886,197.38 - Step 4: Simplify right side
1,621,276.09x = 1,982,708,861,828.69 - Step 5: Solve for x
x = 1,982,708,861,828.69/1,621,276.09 - Step 6: Final answer
x = 1,222,931.05
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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.