Finding the Fourth Proportional to 2,167,736.58, 3,238,419.96 and 1,403,350.92
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Solution
The fourth proportional to 2,167,736.58, 3,238,419.96 and 1,403,350.92 is: 2,096,490.72
Step by Step Solution
- Step 1: Write the proportion equation
2,167,736.58 : 3,238,419.96 = 1,403,350.92 : x - Step 2: Convert to fraction form
2,167,736.58/3,238,419.96 = 1,403,350.92/x - Step 3: Cross multiply
2,167,736.58x = 3,238,419.96 × 1,403,350.92 - Step 4: Simplify right side
2,167,736.58x = 4,544,639,630,212.36 - Step 5: Solve for x
x = 4,544,639,630,212.36/2,167,736.58 - Step 6: Final answer
x = 2,096,490.72
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.