Finding the Fourth Proportional to 5,014,536.68, 6,919,989.60 and 2,839,023.28
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Solution
The fourth proportional to 5,014,536.68, 6,919,989.60 and 2,839,023.28 is: 3,917,811.92
Step by Step Solution
- Step 1: Write the proportion equation
5,014,536.68 : 6,919,989.60 = 2,839,023.28 : x - Step 2: Convert to fraction form
5,014,536.68/6,919,989.60 = 2,839,023.28/x - Step 3: Cross multiply
5,014,536.68x = 6,919,989.60 × 2,839,023.28 - Step 4: Simplify right side
5,014,536.68x = 19,646,011,571,757.89 - Step 5: Solve for x
x = 19,646,011,571,757.89/5,014,536.68 - Step 6: Final answer
x = 3,917,811.92
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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.