Finding the Fourth Proportional to 990,091.42, 1,483,555.16 and 634,810.84
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Solution
The fourth proportional to 990,091.42, 1,483,555.16 and 634,810.84 is: 951,201.96
Step by Step Solution
- Step 1: Write the proportion equation
990,091.42 : 1,483,555.16 = 634,810.84 : x - Step 2: Convert to fraction form
990,091.42/1,483,555.16 = 634,810.84/x - Step 3: Cross multiply
990,091.42x = 1,483,555.16 × 634,810.84 - Step 4: Simplify right side
990,091.42x = 941,776,895,184.07 - Step 5: Solve for x
x = 941,776,895,184.07/990,091.42 - Step 6: Final answer
x = 951,201.96
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.