Finding the Fourth Proportional to 1,627,478.14, 2,246,046.80 and 902,467.15
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Solution
The fourth proportional to 1,627,478.14, 2,246,046.80 and 902,467.15 is: 1,245,475.06
Step by Step Solution
- Step 1: Write the proportion equation
1,627,478.14 : 2,246,046.80 = 902,467.15 : x - Step 2: Convert to fraction form
1,627,478.14/2,246,046.80 = 902,467.15/x - Step 3: Cross multiply
1,627,478.14x = 2,246,046.80 × 902,467.15 - Step 4: Simplify right side
1,627,478.14x = 2,026,983,438,620.05 - Step 5: Solve for x
x = 2,026,983,438,620.05/1,627,478.14 - Step 6: Final answer
x = 1,245,475.06
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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.