Finding the Fourth Proportional to 1,419,973.14, 2,128,381.97 and 1,081,899.19
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Solution
The fourth proportional to 1,419,973.14, 2,128,381.97 and 1,081,899.19 is: 1,621,646.67
Step by Step Solution
- Step 1: Write the proportion equation
1,419,973.14 : 2,128,381.97 = 1,081,899.19 : x - Step 2: Convert to fraction form
1,419,973.14/2,128,381.97 = 1,081,899.19/x - Step 3: Cross multiply
1,419,973.14x = 2,128,381.97 × 1,081,899.19 - Step 4: Simplify right side
1,419,973.14x = 2,302,694,718,711.69 - Step 5: Solve for x
x = 2,302,694,718,711.69/1,419,973.14 - Step 6: Final answer
x = 1,621,646.67
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.