Finding the Fourth Proportional to 5,578,532.68, 8,367,785.28 and 3,148,584.32
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Solution
The fourth proportional to 5,578,532.68, 8,367,785.28 and 3,148,584.32 is: 4,722,868.72
Step by Step Solution
- Step 1: Write the proportion equation
5,578,532.68 : 8,367,785.28 = 3,148,584.32 : x - Step 2: Convert to fraction form
5,578,532.68/8,367,785.28 = 3,148,584.32/x - Step 3: Cross multiply
5,578,532.68x = 8,367,785.28 × 3,148,584.32 - Step 4: Simplify right side
5,578,532.68x = 26,346,677,525,734.81 - Step 5: Solve for x
x = 26,346,677,525,734.81/5,578,532.68 - Step 6: Final answer
x = 4,722,868.72
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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.