Finding the Fourth Proportional to 2,780,020.94, 3,834,450.74 and 2,551,316.93
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Solution
The fourth proportional to 2,780,020.94, 3,834,450.74 and 2,551,316.93 is: 3,519,001.94
Step by Step Solution
- Step 1: Write the proportion equation
2,780,020.94 : 3,834,450.74 = 2,551,316.93 : x - Step 2: Convert to fraction form
2,780,020.94/3,834,450.74 = 2,551,316.93/x - Step 3: Cross multiply
2,780,020.94x = 3,834,450.74 × 2,551,316.93 - Step 4: Simplify right side
2,780,020.94x = 9,782,899,058,284.19 - Step 5: Solve for x
x = 9,782,899,058,284.19/2,780,020.94 - Step 6: Final answer
x = 3,519,001.94
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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.