Finding the Fourth Proportional to 5,703,767.68, 7,868,254.80 and 3,867,604.96
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Solution
The fourth proportional to 5,703,767.68, 7,868,254.80 and 3,867,604.96 is: 5,335,298.17
Step by Step Solution
- Step 1: Write the proportion equation
5,703,767.68 : 7,868,254.80 = 3,867,604.96 : x - Step 2: Convert to fraction form
5,703,767.68/7,868,254.80 = 3,867,604.96/x - Step 3: Cross multiply
5,703,767.68x = 7,868,254.80 × 3,867,604.96 - Step 4: Simplify right side
5,703,767.68x = 30,431,301,291,023.81 - Step 5: Solve for x
x = 30,431,301,291,023.81/5,703,767.68 - Step 6: Final answer
x = 5,335,298.17
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.