Finding the Fourth Proportional to 3,863,132.80, 5,794,699.20 and 2,855,363.20
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Solution
The fourth proportional to 3,863,132.80, 5,794,699.20 and 2,855,363.20 is: 4,283,044.80
Step by Step Solution
- Step 1: Write the proportion equation
3,863,132.80 : 5,794,699.20 = 2,855,363.20 : x - Step 2: Convert to fraction form
3,863,132.80/5,794,699.20 = 2,855,363.20/x - Step 3: Cross multiply
3,863,132.80x = 5,794,699.20 × 2,855,363.20 - Step 4: Simplify right side
3,863,132.80x = 16,545,970,850,749.44 - Step 5: Solve for x
x = 16,545,970,850,749.44/3,863,132.80 - Step 6: Final answer
x = 4,283,044.80
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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.