Finding the Fourth Proportional to 6,339,160.08, 8,747,988.60 and 3,438,543.60
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Solution
The fourth proportional to 6,339,160.08, 8,747,988.60 and 3,438,543.60 is: 4,745,161.79
Step by Step Solution
- Step 1: Write the proportion equation
6,339,160.08 : 8,747,988.60 = 3,438,543.60 : x - Step 2: Convert to fraction form
6,339,160.08/8,747,988.60 = 3,438,543.60/x - Step 3: Cross multiply
6,339,160.08x = 8,747,988.60 × 3,438,543.60 - Step 4: Simplify right side
6,339,160.08x = 30,080,340,213,402.96 - Step 5: Solve for x
x = 30,080,340,213,402.96/6,339,160.08 - Step 6: Final answer
x = 4,745,161.79
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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.