Finding the Fourth Proportional to 4,371,821.98, 6,031,055.28 and 2,843,371.42
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Solution
The fourth proportional to 4,371,821.98, 6,031,055.28 and 2,843,371.42 is: 3,922,513.38
Step by Step Solution
- Step 1: Write the proportion equation
4,371,821.98 : 6,031,055.28 = 2,843,371.42 : x - Step 2: Convert to fraction form
4,371,821.98/6,031,055.28 = 2,843,371.42/x - Step 3: Cross multiply
4,371,821.98x = 6,031,055.28 × 2,843,371.42 - Step 4: Simplify right side
4,371,821.98x = 17,148,530,215,592.10 - Step 5: Solve for x
x = 17,148,530,215,592.10/4,371,821.98 - Step 6: Final answer
x = 3,922,513.38
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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.