Finding the Fourth Proportional to 4,318,216.29, 6,476,879.36 and 1,439,272.04
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Solution
The fourth proportional to 4,318,216.29, 6,476,879.36 and 1,439,272.04 is: 2,158,759.72
Step by Step Solution
- Step 1: Write the proportion equation
4,318,216.29 : 6,476,879.36 = 1,439,272.04 : x - Step 2: Convert to fraction form
4,318,216.29/6,476,879.36 = 1,439,272.04/x - Step 3: Cross multiply
4,318,216.29x = 6,476,879.36 × 1,439,272.04 - Step 4: Simplify right side
4,318,216.29x = 9,321,991,369,301.10 - Step 5: Solve for x
x = 9,321,991,369,301.10/4,318,216.29 - Step 6: Final answer
x = 2,158,759.72
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1.5x scale
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.