Finding the Fourth Proportional to 5,254,608.65, 7,882,246.69 and 2,221,409.34
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Solution
The fourth proportional to 5,254,608.65, 7,882,246.69 and 2,221,409.34 is: 3,332,255.09
Step by Step Solution
- Step 1: Write the proportion equation
5,254,608.65 : 7,882,246.69 = 2,221,409.34 : x - Step 2: Convert to fraction form
5,254,608.65/7,882,246.69 = 2,221,409.34/x - Step 3: Cross multiply
5,254,608.65x = 7,882,246.69 × 2,221,409.34 - Step 4: Simplify right side
5,254,608.65x = 17,509,696,411,796.56 - Step 5: Solve for x
x = 17,509,696,411,796.56/5,254,608.65 - Step 6: Final answer
x = 3,332,255.09
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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.