Finding the Fourth Proportional to 1,979,115.49, 2,731,184.67 and 1,073,697.49
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Solution
The fourth proportional to 1,979,115.49, 2,731,184.67 and 1,073,697.49 is: 1,481,705.41
Step by Step Solution
- Step 1: Write the proportion equation
1,979,115.49 : 2,731,184.67 = 1,073,697.49 : x - Step 2: Convert to fraction form
1,979,115.49/2,731,184.67 = 1,073,697.49/x - Step 3: Cross multiply
1,979,115.49x = 2,731,184.67 × 1,073,697.49 - Step 4: Simplify right side
1,979,115.49x = 2,932,466,127,589.72 - Step 5: Solve for x
x = 2,932,466,127,589.72/1,979,115.49 - Step 6: Final answer
x = 1,481,705.41
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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.