Finding the Fourth Proportional to 1,998,399, 2,757,790.68 and 1,092,981
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Solution
The fourth proportional to 1,998,399, 2,757,790.68 and 1,092,981 is: 1,508,313.81
Step by Step Solution
- Step 1: Write the proportion equation
1,998,399 : 2,757,790.68 = 1,092,981 : x - Step 2: Convert to fraction form
1,998,399/2,757,790.68 = 1,092,981/x - Step 3: Cross multiply
1,998,399x = 2,757,790.68 × 1,092,981 - Step 4: Simplify right side
1,998,399x = 3,014,212,815,217.08 - Step 5: Solve for x
x = 3,014,212,815,217.08/1,998,399 - Step 6: Final answer
x = 1,508,313.81
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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.