Finding the Fourth Proportional to 1,627,365.76, 2,245,897.36 and 902,440.80
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Solution
The fourth proportional to 1,627,365.76, 2,245,897.36 and 902,440.80 is: 1,245,441.84
Step by Step Solution
- Step 1: Write the proportion equation
1,627,365.76 : 2,245,897.36 = 902,440.80 : x - Step 2: Convert to fraction form
1,627,365.76/2,245,897.36 = 902,440.80/x - Step 3: Cross multiply
1,627,365.76x = 2,245,897.36 × 902,440.80 - Step 4: Simplify right side
1,627,365.76x = 2,026,789,410,276.29 - Step 5: Solve for x
x = 2,026,789,410,276.29/1,627,365.76 - Step 6: Final answer
x = 1,245,441.84
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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.