Finding the Fourth Proportional to 3,935,635.97, 5,429,321.87 and 2,303,041.98
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Solution
The fourth proportional to 3,935,635.97, 5,429,321.87 and 2,303,041.98 is: 3,177,111.99
Step by Step Solution
- Step 1: Write the proportion equation
3,935,635.97 : 5,429,321.87 = 2,303,041.98 : x - Step 2: Convert to fraction form
3,935,635.97/5,429,321.87 = 2,303,041.98/x - Step 3: Cross multiply
3,935,635.97x = 5,429,321.87 × 2,303,041.98 - Step 4: Simplify right side
3,935,635.97x = 12,503,956,198,386.85 - Step 5: Solve for x
x = 12,503,956,198,386.85/3,935,635.97 - Step 6: Final answer
x = 3,177,111.99
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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.