Finding the Fourth Proportional to 2,489,731.22, 3,435,861.58 and 1,457,881.94
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Solution
The fourth proportional to 2,489,731.22, 3,435,861.58 and 1,457,881.94 is: 2,011,896.11
Step by Step Solution
- Step 1: Write the proportion equation
2,489,731.22 : 3,435,861.58 = 1,457,881.94 : x - Step 2: Convert to fraction form
2,489,731.22/3,435,861.58 = 1,457,881.94/x - Step 3: Cross multiply
2,489,731.22x = 3,435,861.58 × 1,457,881.94 - Step 4: Simplify right side
2,489,731.22x = 5,009,080,545,821.87 - Step 5: Solve for x
x = 5,009,080,545,821.87/2,489,731.22 - Step 6: Final answer
x = 2,011,896.11
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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.