Finding the Fourth Proportional to 7,419,298.68, 11,129,489.10 and 2,301,078.78
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Solution
The fourth proportional to 7,419,298.68, 11,129,489.10 and 2,301,078.78 is: 3,451,785.98
Step by Step Solution
- Step 1: Write the proportion equation
7,419,298.68 : 11,129,489.10 = 2,301,078.78 : x - Step 2: Convert to fraction form
7,419,298.68/11,129,489.10 = 2,301,078.78/x - Step 3: Cross multiply
7,419,298.68x = 11,129,489.10 × 2,301,078.78 - Step 4: Simplify right side
7,419,298.68x = 25,609,831,200,251.29 - Step 5: Solve for x
x = 25,609,831,200,251.29/7,419,298.68 - Step 6: Final answer
x = 3,451,785.98
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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.