Finding the Fourth Proportional to 3,800,620.68, 5,244,791.70 and 2,058,275.96
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Solution
The fourth proportional to 3,800,620.68, 5,244,791.70 and 2,058,275.96 is: 2,840,385.71
Step by Step Solution
- Step 1: Write the proportion equation
3,800,620.68 : 5,244,791.70 = 2,058,275.96 : x - Step 2: Convert to fraction form
3,800,620.68/5,244,791.70 = 2,058,275.96/x - Step 3: Cross multiply
3,800,620.68x = 5,244,791.70 × 2,058,275.96 - Step 4: Simplify right side
3,800,620.68x = 10,795,228,671,317.53 - Step 5: Solve for x
x = 10,795,228,671,317.53/3,800,620.68 - Step 6: Final answer
x = 2,840,385.71
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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.