Finding the Fourth Proportional to 2,450,850.80, 3,381,246.36 and 1,520,128.04
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Solution
The fourth proportional to 2,450,850.80, 3,381,246.36 and 1,520,128.04 is: 2,097,201.27
Step by Step Solution
- Step 1: Write the proportion equation
2,450,850.80 : 3,381,246.36 = 1,520,128.04 : x - Step 2: Convert to fraction form
2,450,850.80/3,381,246.36 = 1,520,128.04/x - Step 3: Cross multiply
2,450,850.80x = 3,381,246.36 × 1,520,128.04 - Step 4: Simplify right side
2,450,850.80x = 5,139,927,401,983.93 - Step 5: Solve for x
x = 5,139,927,401,983.93/2,450,850.80 - Step 6: Final answer
x = 2,097,201.27
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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.