Finding the Fourth Proportional to 5,120,838.93, 7,682,402.48 and 1,925,992.79
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Solution
The fourth proportional to 5,120,838.93, 7,682,402.48 and 1,925,992.79 is: 2,889,419.48
Step by Step Solution
- Step 1: Write the proportion equation
5,120,838.93 : 7,682,402.48 = 1,925,992.79 : x - Step 2: Convert to fraction form
5,120,838.93/7,682,402.48 = 1,925,992.79/x - Step 3: Cross multiply
5,120,838.93x = 7,682,402.48 × 1,925,992.79 - Step 4: Simplify right side
5,120,838.93x = 14,796,251,767,125.15 - Step 5: Solve for x
x = 14,796,251,767,125.15/5,120,838.93 - Step 6: Final answer
x = 2,889,419.48
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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.