Finding the Fourth Proportional to 3,286,215.36, 4,925,028.66 and 2,378,454.30
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Solution
The fourth proportional to 3,286,215.36, 4,925,028.66 and 2,378,454.30 is: 3,564,573.32
Step by Step Solution
- Step 1: Write the proportion equation
3,286,215.36 : 4,925,028.66 = 2,378,454.30 : x - Step 2: Convert to fraction form
3,286,215.36/4,925,028.66 = 2,378,454.30/x - Step 3: Cross multiply
3,286,215.36x = 4,925,028.66 × 2,378,454.30 - Step 4: Simplify right side
3,286,215.36x = 11,713,955,594,000.24 - Step 5: Solve for x
x = 11,713,955,594,000.24/3,286,215.36 - Step 6: Final answer
x = 3,564,573.32
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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.