Finding the Fourth Proportional to 1,967,720.40, 2,951,829.81 and 769,487.03
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Solution
The fourth proportional to 1,967,720.40, 2,951,829.81 and 769,487.03 is: 1,154,327.99
Step by Step Solution
- Step 1: Write the proportion equation
1,967,720.40 : 2,951,829.81 = 769,487.03 : x - Step 2: Convert to fraction form
1,967,720.40/2,951,829.81 = 769,487.03/x - Step 3: Cross multiply
1,967,720.40x = 2,951,829.81 × 769,487.03 - Step 4: Simplify right side
1,967,720.40x = 2,271,394,738,803.22 - Step 5: Solve for x
x = 2,271,394,738,803.22/1,967,720.40 - Step 6: Final answer
x = 1,154,327.99
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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.