Finding the Fourth Proportional to 5,162,529.06, 7,124,493.36 and 2,839,637.70
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Solution
The fourth proportional to 5,162,529.06, 7,124,493.36 and 2,839,637.70 is: 3,918,811.83
Step by Step Solution
- Step 1: Write the proportion equation
5,162,529.06 : 7,124,493.36 = 2,839,637.70 : x - Step 2: Convert to fraction form
5,162,529.06/7,124,493.36 = 2,839,637.70/x - Step 3: Cross multiply
5,162,529.06x = 7,124,493.36 × 2,839,637.70 - Step 4: Simplify right side
5,162,529.06x = 20,230,979,938,455.68 - Step 5: Solve for x
x = 20,230,979,938,455.68/5,162,529.06 - Step 6: Final answer
x = 3,918,811.83
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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.