Finding the Fourth Proportional to 1,449,195.93, 1,996,600.66 and 1,121,381.84
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Solution
The fourth proportional to 1,449,195.93, 1,996,600.66 and 1,121,381.84 is: 1,544,961.37
Step by Step Solution
- Step 1: Write the proportion equation
1,449,195.93 : 1,996,600.66 = 1,121,381.84 : x - Step 2: Convert to fraction form
1,449,195.93/1,996,600.66 = 1,121,381.84/x - Step 3: Cross multiply
1,449,195.93x = 1,996,600.66 × 1,121,381.84 - Step 4: Simplify right side
1,449,195.93x = 2,238,951,724,044.06 - Step 5: Solve for x
x = 2,238,951,724,044.06/1,449,195.93 - Step 6: Final answer
x = 1,544,961.37
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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.