Finding the Fourth Proportional to 3,286,767.20, 4,930,885.20 and 1,156,920.80
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Solution
The fourth proportional to 3,286,767.20, 4,930,885.20 and 1,156,920.80 is: 1,735,639.70
Step by Step Solution
- Step 1: Write the proportion equation
3,286,767.20 : 4,930,885.20 = 1,156,920.80 : x - Step 2: Convert to fraction form
3,286,767.20/4,930,885.20 = 1,156,920.80/x - Step 3: Cross multiply
3,286,767.20x = 4,930,885.20 × 1,156,920.80 - Step 4: Simplify right side
3,286,767.20x = 5,704,643,650,292.16 - Step 5: Solve for x
x = 5,704,643,650,292.16/3,286,767.20 - Step 6: Final answer
x = 1,735,639.70
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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.