Finding the Fourth Proportional to 1,782,542.22, 2,459,753.91 and 1,047,418.62
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Solution
The fourth proportional to 1,782,542.22, 2,459,753.91 and 1,047,418.62 is: 1,445,347.00
Step by Step Solution
- Step 1: Write the proportion equation
1,782,542.22 : 2,459,753.91 = 1,047,418.62 : x - Step 2: Convert to fraction form
1,782,542.22/2,459,753.91 = 1,047,418.62/x - Step 3: Cross multiply
1,782,542.22x = 2,459,753.91 × 1,047,418.62 - Step 4: Simplify right side
1,782,542.22x = 2,576,392,045,951.80 - Step 5: Solve for x
x = 2,576,392,045,951.80/1,782,542.22 - Step 6: Final answer
x = 1,445,347.00
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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.