Finding the Fourth Proportional to 1,627,182.72, 2,245,512.12 and 902,028.60
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Solution
The fourth proportional to 1,627,182.72, 2,245,512.12 and 902,028.60 is: 1,244,799.45
Step by Step Solution
- Step 1: Write the proportion equation
1,627,182.72 : 2,245,512.12 = 902,028.60 : x - Step 2: Convert to fraction form
1,627,182.72/2,245,512.12 = 902,028.60/x - Step 3: Cross multiply
1,627,182.72x = 2,245,512.12 × 902,028.60 - Step 4: Simplify right side
1,627,182.72x = 2,025,516,153,886.63 - Step 5: Solve for x
x = 2,025,516,153,886.63/1,627,182.72 - Step 6: Final answer
x = 1,244,799.45
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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.