Finding the Fourth Proportional to 1,639,896.40, 2,460,305.40 and 798,475.60
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Solution
The fourth proportional to 1,639,896.40, 2,460,305.40 and 798,475.60 is: 1,197,937.77
Step by Step Solution
- Step 1: Write the proportion equation
1,639,896.40 : 2,460,305.40 = 798,475.60 : x - Step 2: Convert to fraction form
1,639,896.40/2,460,305.40 = 798,475.60/x - Step 3: Cross multiply
1,639,896.40x = 2,460,305.40 × 798,475.60 - Step 4: Simplify right side
1,639,896.40x = 1,964,493,830,448.24 - Step 5: Solve for x
x = 1,964,493,830,448.24/1,639,896.40 - Step 6: Final answer
x = 1,197,937.77
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.