Finding the Fourth Proportional to 1,780,375.95, 2,454,478.61 and 1,126,676.79
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Solution
The fourth proportional to 1,780,375.95, 2,454,478.61 and 1,126,676.79 is: 1,553,269.73
Step by Step Solution
- Step 1: Write the proportion equation
1,780,375.95 : 2,454,478.61 = 1,126,676.79 : x - Step 2: Convert to fraction form
1,780,375.95/2,454,478.61 = 1,126,676.79/x - Step 3: Cross multiply
1,780,375.95x = 2,454,478.61 × 1,126,676.79 - Step 4: Simplify right side
1,780,375.95x = 2,765,404,075,805.08 - Step 5: Solve for x
x = 2,765,404,075,805.08/1,780,375.95 - Step 6: Final answer
x = 1,553,269.73
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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.