Finding the Fourth Proportional to 4,371,821.48, 6,031,054.59 and 2,843,370.92
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Solution
The fourth proportional to 4,371,821.48, 6,031,054.59 and 2,843,370.92 is: 3,922,512.69
Step by Step Solution
- Step 1: Write the proportion equation
4,371,821.48 : 6,031,054.59 = 2,843,370.92 : x - Step 2: Convert to fraction form
4,371,821.48/6,031,054.59 = 2,843,370.92/x - Step 3: Cross multiply
4,371,821.48x = 6,031,054.59 × 2,843,370.92 - Step 4: Simplify right side
4,371,821.48x = 17,148,525,238,138.52 - Step 5: Solve for x
x = 17,148,525,238,138.52/4,371,821.48 - Step 6: Final answer
x = 3,922,512.69
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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.