Finding the Fourth Proportional to 3,929,430.08, 5,420,628.48 and 2,296,770.72
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Solution
The fourth proportional to 3,929,430.08, 5,420,628.48 and 2,296,770.72 is: 3,168,383.33
Step by Step Solution
- Step 1: Write the proportion equation
3,929,430.08 : 5,420,628.48 = 2,296,770.72 : x - Step 2: Convert to fraction form
3,929,430.08/5,420,628.48 = 2,296,770.72/x - Step 3: Cross multiply
3,929,430.08x = 5,420,628.48 × 2,296,770.72 - Step 4: Simplify right side
3,929,430.08x = 12,449,940,776,862.11 - Step 5: Solve for x
x = 12,449,940,776,862.11/3,929,430.08 - Step 6: Final answer
x = 3,168,383.33
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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.