Finding the Fourth Proportional to 3,817,101.50, 5,267,611.05 and 2,185,533.98
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Solution
The fourth proportional to 3,817,101.50, 5,267,611.05 and 2,185,533.98 is: 3,016,043.18
Step by Step Solution
- Step 1: Write the proportion equation
3,817,101.50 : 5,267,611.05 = 2,185,533.98 : x - Step 2: Convert to fraction form
3,817,101.50/5,267,611.05 = 2,185,533.98/x - Step 3: Cross multiply
3,817,101.50x = 5,267,611.05 × 2,185,533.98 - Step 4: Simplify right side
3,817,101.50x = 11,512,542,943,198.48 - Step 5: Solve for x
x = 11,512,542,943,198.48/3,817,101.50 - Step 6: Final answer
x = 3,016,043.18
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1.5x scale
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.