Finding the Fourth Proportional to 4,426,481.09, 6,639,957.08 and 1,394,084.09
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Solution
The fourth proportional to 4,426,481.09, 6,639,957.08 and 1,394,084.09 is: 2,091,200.28
Step by Step Solution
- Step 1: Write the proportion equation
4,426,481.09 : 6,639,957.08 = 1,394,084.09 : x - Step 2: Convert to fraction form
4,426,481.09/6,639,957.08 = 1,394,084.09/x - Step 3: Cross multiply
4,426,481.09x = 6,639,957.08 × 1,394,084.09 - Step 4: Simplify right side
4,426,481.09x = 9,256,658,483,340.65 - Step 5: Solve for x
x = 9,256,658,483,340.65/4,426,481.09 - Step 6: Final answer
x = 2,091,200.28
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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.