Finding the Fourth Proportional to 1,578,424.08, 2,367,657.96 and 513,471.72
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Solution
The fourth proportional to 1,578,424.08, 2,367,657.96 and 513,471.72 is: 770,214.68
Step by Step Solution
- Step 1: Write the proportion equation
1,578,424.08 : 2,367,657.96 = 513,471.72 : x - Step 2: Convert to fraction form
1,578,424.08/2,367,657.96 = 513,471.72/x - Step 3: Cross multiply
1,578,424.08x = 2,367,657.96 × 513,471.72 - Step 4: Simplify right side
1,578,424.08x = 1,215,725,405,092.89 - Step 5: Solve for x
x = 1,215,725,405,092.89/1,578,424.08 - Step 6: Final answer
x = 770,214.68
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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.