Finding the Fourth Proportional to 5,570,161.68, 7,689,341.80 and 3,508,207.68
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Solution
The fourth proportional to 5,570,161.68, 7,689,341.80 and 3,508,207.68 is: 4,842,912.92
Step by Step Solution
- Step 1: Write the proportion equation
5,570,161.68 : 7,689,341.80 = 3,508,207.68 : x - Step 2: Convert to fraction form
5,570,161.68/7,689,341.80 = 3,508,207.68/x - Step 3: Cross multiply
5,570,161.68x = 7,689,341.80 × 3,508,207.68 - Step 4: Simplify right side
5,570,161.68x = 26,975,807,956,905.02 - Step 5: Solve for x
x = 26,975,807,956,905.02/5,570,161.68 - Step 6: Final answer
x = 4,842,912.92
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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.