Finding the Fourth Proportional to 3,165,507.18, 4,368,481.26 and 1,942,488.48
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Solution
The fourth proportional to 3,165,507.18, 4,368,481.26 and 1,942,488.48 is: 2,680,684.02
Step by Step Solution
- Step 1: Write the proportion equation
3,165,507.18 : 4,368,481.26 = 1,942,488.48 : x - Step 2: Convert to fraction form
3,165,507.18/4,368,481.26 = 1,942,488.48/x - Step 3: Cross multiply
3,165,507.18x = 4,368,481.26 × 1,942,488.48 - Step 4: Simplify right side
3,165,507.18x = 8,485,724,522,645.89 - Step 5: Solve for x
x = 8,485,724,522,645.89/3,165,507.18 - Step 6: Final answer
x = 2,680,684.02
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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.