Finding the Fourth Proportional to 2,986,891.23, 4,480,327.49 and 743,029.23
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Solution
The fourth proportional to 2,986,891.23, 4,480,327.49 and 743,029.23 is: 1,114,541.52
Step by Step Solution
- Step 1: Write the proportion equation
2,986,891.23 : 4,480,327.49 = 743,029.23 : x - Step 2: Convert to fraction form
2,986,891.23/4,480,327.49 = 743,029.23/x - Step 3: Cross multiply
2,986,891.23x = 4,480,327.49 × 743,029.23 - Step 4: Simplify right side
2,986,891.23x = 3,329,014,281,327.39 - Step 5: Solve for x
x = 3,329,014,281,327.39/2,986,891.23 - Step 6: Final answer
x = 1,114,541.52
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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.