Finding the Fourth Proportional to 1,627,619.12, 2,246,103.48 and 902,467.28
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Solution
The fourth proportional to 1,627,619.12, 2,246,103.48 and 902,467.28 is: 1,245,398.80
Step by Step Solution
- Step 1: Write the proportion equation
1,627,619.12 : 2,246,103.48 = 902,467.28 : x - Step 2: Convert to fraction form
1,627,619.12/2,246,103.48 = 902,467.28/x - Step 3: Cross multiply
1,627,619.12x = 2,246,103.48 × 902,467.28 - Step 4: Simplify right side
1,627,619.12x = 2,027,034,898,194.13 - Step 5: Solve for x
x = 2,027,034,898,194.13/1,627,619.12 - Step 6: Final answer
x = 1,245,398.80
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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.