Finding the Fourth Proportional to 4,815,015.75, 6,645,197.07 and 2,750,340.06
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Solution
The fourth proportional to 4,815,015.75, 6,645,197.07 and 2,750,340.06 is: 3,795,740.79
Step by Step Solution
- Step 1: Write the proportion equation
4,815,015.75 : 6,645,197.07 = 2,750,340.06 : x - Step 2: Convert to fraction form
4,815,015.75/6,645,197.07 = 2,750,340.06/x - Step 3: Cross multiply
4,815,015.75x = 6,645,197.07 × 2,750,340.06 - Step 4: Simplify right side
4,815,015.75x = 18,276,551,708,215.62 - Step 5: Solve for x
x = 18,276,551,708,215.62/4,815,015.75 - Step 6: Final answer
x = 3,795,740.79
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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.