Finding the Fourth Proportional to 5,162,652.66, 7,124,633.73 and 2,839,643.40
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Solution
The fourth proportional to 5,162,652.66, 7,124,633.73 and 2,839,643.40 is: 3,918,803.08
Step by Step Solution
- Step 1: Write the proportion equation
5,162,652.66 : 7,124,633.73 = 2,839,643.40 : x - Step 2: Convert to fraction form
5,162,652.66/7,124,633.73 = 2,839,643.40/x - Step 3: Cross multiply
5,162,652.66x = 7,124,633.73 × 2,839,643.40 - Step 4: Simplify right side
5,162,652.66x = 20,231,419,148,811.88 - Step 5: Solve for x
x = 20,231,419,148,811.88/5,162,652.66 - Step 6: Final answer
x = 3,918,803.08
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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.