Finding the Fourth Proportional to 6,928,709.24, 10,387,765.66 and 4,195,661.84
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Solution
The fourth proportional to 6,928,709.24, 10,387,765.66 and 4,195,661.84 is: 6,290,284.45
Step by Step Solution
- Step 1: Write the proportion equation
6,928,709.24 : 10,387,765.66 = 4,195,661.84 : x - Step 2: Convert to fraction form
6,928,709.24/10,387,765.66 = 4,195,661.84/x - Step 3: Cross multiply
6,928,709.24x = 10,387,765.66 × 4,195,661.84 - Step 4: Simplify right side
6,928,709.24x = 43,583,551,982,524.41 - Step 5: Solve for x
x = 43,583,551,982,524.41/6,928,709.24 - Step 6: Final answer
x = 6,290,284.45
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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.