Finding the Fourth Proportional to 2,278,063.23, 3,418,777.10 and 1,079,989.75
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Solution
The fourth proportional to 2,278,063.23, 3,418,777.10 and 1,079,989.75 is: 1,620,782.15
Step by Step Solution
- Step 1: Write the proportion equation
2,278,063.23 : 3,418,777.10 = 1,079,989.75 : x - Step 2: Convert to fraction form
2,278,063.23/3,418,777.10 = 1,079,989.75/x - Step 3: Cross multiply
2,278,063.23x = 3,418,777.10 × 1,079,989.75 - Step 4: Simplify right side
2,278,063.23x = 3,692,244,225,534.73 - Step 5: Solve for x
x = 3,692,244,225,534.73/2,278,063.23 - Step 6: Final answer
x = 1,620,782.15
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.