Finding the Fourth Proportional to 6,394,215.28, 8,823,914.10 and 3,493,543.84
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Solution
The fourth proportional to 6,394,215.28, 8,823,914.10 and 3,493,543.84 is: 4,821,034.23
Step by Step Solution
- Step 1: Write the proportion equation
6,394,215.28 : 8,823,914.10 = 3,493,543.84 : x - Step 2: Convert to fraction form
6,394,215.28/8,823,914.10 = 3,493,543.84/x - Step 3: Cross multiply
6,394,215.28x = 8,823,914.10 × 3,493,543.84 - Step 4: Simplify right side
6,394,215.28x = 30,826,730,748,744.14 - Step 5: Solve for x
x = 30,826,730,748,744.14/6,394,215.28 - Step 6: Final answer
x = 4,821,034.23
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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.