Finding the Fourth Proportional to 3,462,484.57, 4,778,233.34 and 1,992,363.92
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Solution
The fourth proportional to 3,462,484.57, 4,778,233.34 and 1,992,363.92 is: 2,749,464.88
Step by Step Solution
- Step 1: Write the proportion equation
3,462,484.57 : 4,778,233.34 = 1,992,363.92 : x - Step 2: Convert to fraction form
3,462,484.57/4,778,233.34 = 1,992,363.92/x - Step 3: Cross multiply
3,462,484.57x = 4,778,233.34 × 1,992,363.92 - Step 4: Simplify right side
3,462,484.57x = 9,519,979,707,957.09 - Step 5: Solve for x
x = 9,519,979,707,957.09/3,462,484.57 - Step 6: Final answer
x = 2,749,464.88
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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.