Finding the Fourth Proportional to 3,037,321.55, 4,191,511.25 and 1,660,754.19
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Solution
The fourth proportional to 3,037,321.55, 4,191,511.25 and 1,660,754.19 is: 2,291,844.89
Step by Step Solution
- Step 1: Write the proportion equation
3,037,321.55 : 4,191,511.25 = 1,660,754.19 : x - Step 2: Convert to fraction form
3,037,321.55/4,191,511.25 = 1,660,754.19/x - Step 3: Cross multiply
3,037,321.55x = 4,191,511.25 × 1,660,754.19 - Step 4: Simplify right side
3,037,321.55x = 6,961,069,867,162.44 - Step 5: Solve for x
x = 6,961,069,867,162.44/3,037,321.55 - Step 6: Final answer
x = 2,291,844.89
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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.