Finding the Fourth Proportional to 4,826,261.76, 6,660,371.30 and 2,839,536.05
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Solution
The fourth proportional to 4,826,261.76, 6,660,371.30 and 2,839,536.05 is: 3,918,636.27
Step by Step Solution
- Step 1: Write the proportion equation
4,826,261.76 : 6,660,371.30 = 2,839,536.05 : x - Step 2: Convert to fraction form
4,826,261.76/6,660,371.30 = 2,839,536.05/x - Step 3: Cross multiply
4,826,261.76x = 6,660,371.30 × 2,839,536.05 - Step 4: Simplify right side
4,826,261.76x = 18,912,364,365,235.83 - Step 5: Solve for x
x = 18,912,364,365,235.83/4,826,261.76 - Step 6: Final answer
x = 3,918,636.27
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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.