Finding the Fourth Proportional to 1,627,664.40, 2,246,203.80 and 902,542.68
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Solution
The fourth proportional to 1,627,664.40, 2,246,203.80 and 902,542.68 is: 1,245,523.83
Step by Step Solution
- Step 1: Write the proportion equation
1,627,664.40 : 2,246,203.80 = 902,542.68 : x - Step 2: Convert to fraction form
1,627,664.40/2,246,203.80 = 902,542.68/x - Step 3: Cross multiply
1,627,664.40x = 2,246,203.80 × 902,542.68 - Step 4: Simplify right side
1,627,664.40x = 2,027,294,797,478.18 - Step 5: Solve for x
x = 2,027,294,797,478.18/1,627,664.40 - Step 6: Final answer
x = 1,245,523.83
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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.