Finding the Fourth Proportional to 4,923,380.76, 6,788,909.34 and 3,201,307.80
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Solution
The fourth proportional to 4,923,380.76, 6,788,909.34 and 3,201,307.80 is: 4,414,322.09
Step by Step Solution
- Step 1: Write the proportion equation
4,923,380.76 : 6,788,909.34 = 3,201,307.80 : x - Step 2: Convert to fraction form
4,923,380.76/6,788,909.34 = 3,201,307.80/x - Step 3: Cross multiply
4,923,380.76x = 6,788,909.34 × 3,201,307.80 - Step 4: Simplify right side
4,923,380.76x = 21,733,388,423,634.85 - Step 5: Solve for x
x = 21,733,388,423,634.85/4,923,380.76 - Step 6: Final answer
x = 4,414,322.09
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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.