Finding the Fourth Proportional to 3,128,704.96, 4,695,295.68 and 1,332,846.40
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Solution
The fourth proportional to 3,128,704.96, 4,695,295.68 and 1,332,846.40 is: 2,000,223.10
Step by Step Solution
- Step 1: Write the proportion equation
3,128,704.96 : 4,695,295.68 = 1,332,846.40 : x - Step 2: Convert to fraction form
3,128,704.96/4,695,295.68 = 1,332,846.40/x - Step 3: Cross multiply
3,128,704.96x = 4,695,295.68 × 1,332,846.40 - Step 4: Simplify right side
3,128,704.96x = 6,258,107,944,023.55 - Step 5: Solve for x
x = 6,258,107,944,023.55/3,128,704.96 - Step 6: Final answer
x = 2,000,223.10
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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.