Finding the Fourth Proportional to 3,726,375.54, 5,142,058.95 and 2,156,235.96
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Solution
The fourth proportional to 3,726,375.54, 5,142,058.95 and 2,156,235.96 is: 2,975,409.29
Step by Step Solution
- Step 1: Write the proportion equation
3,726,375.54 : 5,142,058.95 = 2,156,235.96 : x - Step 2: Convert to fraction form
3,726,375.54/5,142,058.95 = 2,156,235.96/x - Step 3: Cross multiply
3,726,375.54x = 5,142,058.95 × 2,156,235.96 - Step 4: Simplify right side
3,726,375.54x = 11,087,492,416,429.84 - Step 5: Solve for x
x = 11,087,492,416,429.84/3,726,375.54 - Step 6: Final answer
x = 2,975,409.29
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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.