Finding the Fourth Proportional to 2,950,743.40, 4,420,671.90 and 1,684,810.60
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Solution
The fourth proportional to 2,950,743.40, 4,420,671.90 and 1,684,810.60 is: 2,524,107.95
Step by Step Solution
- Step 1: Write the proportion equation
2,950,743.40 : 4,420,671.90 = 1,684,810.60 : x - Step 2: Convert to fraction form
2,950,743.40/4,420,671.90 = 1,684,810.60/x - Step 3: Cross multiply
2,950,743.40x = 4,420,671.90 × 1,684,810.60 - Step 4: Simplify right side
2,950,743.40x = 7,447,994,876,242.14 - Step 5: Solve for x
x = 7,447,994,876,242.14/2,950,743.40 - Step 6: Final answer
x = 2,524,107.95
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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.