Finding the Fourth Proportional to 1,456,367.80, 2,183,676.90 and 747,779.80
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Solution
The fourth proportional to 1,456,367.80, 2,183,676.90 and 747,779.80 is: 1,121,220.53
Step by Step Solution
- Step 1: Write the proportion equation
1,456,367.80 : 2,183,676.90 = 747,779.80 : x - Step 2: Convert to fraction form
1,456,367.80/2,183,676.90 = 747,779.80/x - Step 3: Cross multiply
1,456,367.80x = 2,183,676.90 × 747,779.80 - Step 4: Simplify right side
1,456,367.80x = 1,632,909,475,546.62 - Step 5: Solve for x
x = 1,632,909,475,546.62/1,456,367.80 - Step 6: Final answer
x = 1,121,220.53
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.