Finding the Fourth Proportional to 4,679,378.80, 7,013,163.30 and 2,278,052.80
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Solution
The fourth proportional to 4,679,378.80, 7,013,163.30 and 2,278,052.80 is: 3,414,204.53
Step by Step Solution
- Step 1: Write the proportion equation
4,679,378.80 : 7,013,163.30 = 2,278,052.80 : x - Step 2: Convert to fraction form
4,679,378.80/7,013,163.30 = 2,278,052.80/x - Step 3: Cross multiply
4,679,378.80x = 7,013,163.30 × 2,278,052.80 - Step 4: Simplify right side
4,679,378.80x = 15,976,356,292,422.24 - Step 5: Solve for x
x = 15,976,356,292,422.24/4,679,378.80 - Step 6: Final answer
x = 3,414,204.53
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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.