Finding the Fourth Proportional to 2,986,891.48, 4,480,327.86 and 743,029.48
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Solution
The fourth proportional to 2,986,891.48, 4,480,327.86 and 743,029.48 is: 1,114,541.89
Step by Step Solution
- Step 1: Write the proportion equation
2,986,891.48 : 4,480,327.86 = 743,029.48 : x - Step 2: Convert to fraction form
2,986,891.48/4,480,327.86 = 743,029.48/x - Step 3: Cross multiply
2,986,891.48x = 4,480,327.86 × 743,029.48 - Step 4: Simplify right side
2,986,891.48x = 3,329,015,680,045.31 - Step 5: Solve for x
x = 3,329,015,680,045.31/2,986,891.48 - Step 6: Final answer
x = 1,114,541.89
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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.