Finding the Fourth Proportional to 1,998,469.87, 2,756,145.49 and 1,416,541.97
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Solution
The fourth proportional to 1,998,469.87, 2,756,145.49 and 1,416,541.97 is: 1,953,592.51
Step by Step Solution
- Step 1: Write the proportion equation
1,998,469.87 : 2,756,145.49 = 1,416,541.97 : x - Step 2: Convert to fraction form
1,998,469.87/2,756,145.49 = 1,416,541.97/x - Step 3: Cross multiply
1,998,469.87x = 2,756,145.49 × 1,416,541.97 - Step 4: Simplify right side
1,998,469.87x = 3,904,195,765,360.22 - Step 5: Solve for x
x = 3,904,195,765,360.22/1,998,469.87 - Step 6: Final answer
x = 1,953,592.51
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.