Finding the Fourth Proportional to 4,321,855.70, 6,480,884.07 and 2,299,618.90
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Solution
The fourth proportional to 4,321,855.70, 6,480,884.07 and 2,299,618.90 is: 3,448,417.66
Step by Step Solution
- Step 1: Write the proportion equation
4,321,855.70 : 6,480,884.07 = 2,299,618.90 : x - Step 2: Convert to fraction form
4,321,855.70/6,480,884.07 = 2,299,618.90/x - Step 3: Cross multiply
4,321,855.70x = 6,480,884.07 × 2,299,618.90 - Step 4: Simplify right side
4,321,855.70x = 14,903,563,517,530.13 - Step 5: Solve for x
x = 14,903,563,517,530.13/4,321,855.70 - Step 6: Final answer
x = 3,448,417.66
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.