Finding the Fourth Proportional to 4,584,811.12, 6,324,404.74 and 2,862,942.28
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Solution
The fourth proportional to 4,584,811.12, 6,324,404.74 and 2,862,942.28 is: 3,949,215.19
Step by Step Solution
- Step 1: Write the proportion equation
4,584,811.12 : 6,324,404.74 = 2,862,942.28 : x - Step 2: Convert to fraction form
4,584,811.12/6,324,404.74 = 2,862,942.28/x - Step 3: Cross multiply
4,584,811.12x = 6,324,404.74 × 2,862,942.28 - Step 4: Simplify right side
4,584,811.12x = 18,106,405,703,010.04 - Step 5: Solve for x
x = 18,106,405,703,010.04/4,584,811.12 - Step 6: Final answer
x = 3,949,215.19
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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.