Finding the Fourth Proportional to 4,680,866.08, 7,021,542.24 and 1,486,242.40
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Solution
The fourth proportional to 4,680,866.08, 7,021,542.24 and 1,486,242.40 is: 2,229,440.79
Step by Step Solution
- Step 1: Write the proportion equation
4,680,866.08 : 7,021,542.24 = 1,486,242.40 : x - Step 2: Convert to fraction form
4,680,866.08/7,021,542.24 = 1,486,242.40/x - Step 3: Cross multiply
4,680,866.08x = 7,021,542.24 × 1,486,242.40 - Step 4: Simplify right side
4,680,866.08x = 10,435,713,790,478.98 - Step 5: Solve for x
x = 10,435,713,790,478.98/4,680,866.08 - Step 6: Final answer
x = 2,229,440.79
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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.