Finding the Fourth Proportional to 2,958,645.12, 4,438,486.08 and 1,275,815.04
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Solution
The fourth proportional to 2,958,645.12, 4,438,486.08 and 1,275,815.04 is: 1,913,946.10
Step by Step Solution
- Step 1: Write the proportion equation
2,958,645.12 : 4,438,486.08 = 1,275,815.04 : x - Step 2: Convert to fraction form
2,958,645.12/4,438,486.08 = 1,275,815.04/x - Step 3: Cross multiply
2,958,645.12x = 4,438,486.08 × 1,275,815.04 - Step 4: Simplify right side
2,958,645.12x = 5,662,687,295,694.64 - Step 5: Solve for x
x = 5,662,687,295,694.64/2,958,645.12 - Step 6: Final answer
x = 1,913,946.10
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.