Finding the Fourth Proportional to 3,879,957.84, 5,353,793.28 and 2,203,483.92
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Solution
The fourth proportional to 3,879,957.84, 5,353,793.28 and 2,203,483.92 is: 3,040,496.29
Step by Step Solution
- Step 1: Write the proportion equation
3,879,957.84 : 5,353,793.28 = 2,203,483.92 : x - Step 2: Convert to fraction form
3,879,957.84/5,353,793.28 = 2,203,483.92/x - Step 3: Cross multiply
3,879,957.84x = 5,353,793.28 × 2,203,483.92 - Step 4: Simplify right side
3,879,957.84x = 11,796,997,403,484.06 - Step 5: Solve for x
x = 11,796,997,403,484.06/3,879,957.84 - Step 6: Final answer
x = 3,040,496.29
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.