Finding the Fourth Proportional to 5,120,705.34, 7,682,165.16 and 2,724,201.66
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Solution
The fourth proportional to 5,120,705.34, 7,682,165.16 and 2,724,201.66 is: 4,086,891.49
Step by Step Solution
- Step 1: Write the proportion equation
5,120,705.34 : 7,682,165.16 = 2,724,201.66 : x - Step 2: Convert to fraction form
5,120,705.34/7,682,165.16 = 2,724,201.66/x - Step 3: Cross multiply
5,120,705.34x = 7,682,165.16 × 2,724,201.66 - Step 4: Simplify right side
5,120,705.34x = 20,927,767,081,266.17 - Step 5: Solve for x
x = 20,927,767,081,266.17/5,120,705.34 - Step 6: Final answer
x = 4,086,891.49
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.