Finding the Fourth Proportional to 2,158,941.24, 3,237,846.68 and 642,215.84
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Solution
The fourth proportional to 2,158,941.24, 3,237,846.68 and 642,215.84 is: 963,155.63
Step by Step Solution
- Step 1: Write the proportion equation
2,158,941.24 : 3,237,846.68 = 642,215.84 : x - Step 2: Convert to fraction form
2,158,941.24/3,237,846.68 = 642,215.84/x - Step 3: Cross multiply
2,158,941.24x = 3,237,846.68 × 642,215.84 - Step 4: Simplify right side
2,158,941.24x = 2,079,396,410,803.72 - Step 5: Solve for x
x = 2,079,396,410,803.72/2,158,941.24 - Step 6: Final answer
x = 963,155.63
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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.