Finding the Fourth Proportional to 4,850,615.48, 7,274,682.16 and 1,438,104.11
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Solution
The fourth proportional to 4,850,615.48, 7,274,682.16 and 1,438,104.11 is: 2,156,788.21
Step by Step Solution
- Step 1: Write the proportion equation
4,850,615.48 : 7,274,682.16 = 1,438,104.11 : x - Step 2: Convert to fraction form
4,850,615.48/7,274,682.16 = 1,438,104.11/x - Step 3: Cross multiply
4,850,615.48x = 7,274,682.16 × 1,438,104.11 - Step 4: Simplify right side
4,850,615.48x = 10,461,750,273,271.01 - Step 5: Solve for x
x = 10,461,750,273,271.01/4,850,615.48 - Step 6: Final answer
x = 2,156,788.21
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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.