Finding the Fourth Proportional to 2,793,440, 3,854,765.76 and 1,647,257.60
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Solution
The fourth proportional to 2,793,440, 3,854,765.76 and 1,647,257.60 is: 2,273,108.50
Step by Step Solution
- Step 1: Write the proportion equation
2,793,440 : 3,854,765.76 = 1,647,257.60 : x - Step 2: Convert to fraction form
2,793,440/3,854,765.76 = 1,647,257.60/x - Step 3: Cross multiply
2,793,440x = 3,854,765.76 × 1,647,257.60 - Step 4: Simplify right side
2,793,440x = 6,349,792,194,379.78 - Step 5: Solve for x
x = 6,349,792,194,379.78/2,793,440 - Step 6: Final answer
x = 2,273,108.50
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.