Finding the Fourth Proportional to 1,912,636.22, 2,639,437.98 and 1,053,194.44
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Solution
The fourth proportional to 1,912,636.22, 2,639,437.98 and 1,053,194.44 is: 1,453,408.33
Step by Step Solution
- Step 1: Write the proportion equation
1,912,636.22 : 2,639,437.98 = 1,053,194.44 : x - Step 2: Convert to fraction form
1,912,636.22/2,639,437.98 = 1,053,194.44/x - Step 3: Cross multiply
1,912,636.22x = 2,639,437.98 × 1,053,194.44 - Step 4: Simplify right side
1,912,636.22x = 2,779,841,405,260.83 - Step 5: Solve for x
x = 2,779,841,405,260.83/1,912,636.22 - Step 6: Final answer
x = 1,453,408.33
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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.