Finding the Fourth Proportional to 3,697,680.48, 5,102,291.70 and 2,065,885.26
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Solution
The fourth proportional to 3,697,680.48, 5,102,291.70 and 2,065,885.26 is: 2,850,638.20
Step by Step Solution
- Step 1: Write the proportion equation
3,697,680.48 : 5,102,291.70 = 2,065,885.26 : x - Step 2: Convert to fraction form
3,697,680.48/5,102,291.70 = 2,065,885.26/x - Step 3: Cross multiply
3,697,680.48x = 5,102,291.70 × 2,065,885.26 - Step 4: Simplify right side
3,697,680.48x = 10,540,749,215,250.34 - Step 5: Solve for x
x = 10,540,749,215,250.34/3,697,680.48 - Step 6: Final answer
x = 2,850,638.20
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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.