Finding the Fourth Proportional to 4,151,301.74, 6,228,751.01 and 2,229,971.21
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Solution
The fourth proportional to 4,151,301.74, 6,228,751.01 and 2,229,971.21 is: 3,345,922.86
Step by Step Solution
- Step 1: Write the proportion equation
4,151,301.74 : 6,228,751.01 = 2,229,971.21 : x - Step 2: Convert to fraction form
4,151,301.74/6,228,751.01 = 2,229,971.21/x - Step 3: Cross multiply
4,151,301.74x = 6,228,751.01 × 2,229,971.21 - Step 4: Simplify right side
4,151,301.74x = 13,889,935,384,264.81 - Step 5: Solve for x
x = 13,889,935,384,264.81/4,151,301.74 - Step 6: Final answer
x = 3,345,922.86
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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.