Finding the Fourth Proportional to 6,145,731.44, 8,481,110.90 and 3,392,420.43
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Solution
The fourth proportional to 6,145,731.44, 8,481,110.90 and 3,392,420.43 is: 4,681,541.03
Step by Step Solution
- Step 1: Write the proportion equation
6,145,731.44 : 8,481,110.90 = 3,392,420.43 : x - Step 2: Convert to fraction form
6,145,731.44/8,481,110.90 = 3,392,420.43/x - Step 3: Cross multiply
6,145,731.44x = 8,481,110.90 × 3,392,420.43 - Step 4: Simplify right side
6,145,731.44x = 28,771,493,869,293.59 - Step 5: Solve for x
x = 28,771,493,869,293.59/6,145,731.44 - Step 6: Final answer
x = 4,681,541.03
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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.