Finding the Fourth Proportional to 2,157,777.50, 3,236,378.29 and 641,431.98
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Solution
The fourth proportional to 2,157,777.50, 3,236,378.29 and 641,431.98 is: 962,062.37
Step by Step Solution
- Step 1: Write the proportion equation
2,157,777.50 : 3,236,378.29 = 641,431.98 : x - Step 2: Convert to fraction form
2,157,777.50/3,236,378.29 = 641,431.98/x - Step 3: Cross multiply
2,157,777.50x = 3,236,378.29 × 641,431.98 - Step 4: Simplify right side
2,157,777.50x = 2,075,916,532,980.13 - Step 5: Solve for x
x = 2,075,916,532,980.13/2,157,777.50 - Step 6: Final answer
x = 962,062.37
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1.5x scale
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.