Finding the Fourth Proportional to 1,578,815.92, 2,367,664.98 and 513,659.44
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Solution
The fourth proportional to 1,578,815.92, 2,367,664.98 and 513,659.44 is: 770,307.32
Step by Step Solution
- Step 1: Write the proportion equation
1,578,815.92 : 2,367,664.98 = 513,659.44 : x - Step 2: Convert to fraction form
1,578,815.92/2,367,664.98 = 513,659.44/x - Step 3: Cross multiply
1,578,815.92x = 2,367,664.98 × 513,659.44 - Step 4: Simplify right side
1,578,815.92x = 1,216,173,467,734.41 - Step 5: Solve for x
x = 1,216,173,467,734.41/1,578,815.92 - Step 6: Final answer
x = 770,307.32
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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.