Finding the Fourth Proportional to 3,762,243.92, 5,641,981.58 and 1,299,633.07
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Solution
The fourth proportional to 3,762,243.92, 5,641,981.58 and 1,299,633.07 is: 1,948,971.41
Step by Step Solution
- Step 1: Write the proportion equation
3,762,243.92 : 5,641,981.58 = 1,299,633.07 : x - Step 2: Convert to fraction form
3,762,243.92/5,641,981.58 = 1,299,633.07/x - Step 3: Cross multiply
3,762,243.92x = 5,641,981.58 × 1,299,633.07 - Step 4: Simplify right side
3,762,243.92x = 7,332,505,825,969.36 - Step 5: Solve for x
x = 7,332,505,825,969.36/3,762,243.92 - Step 6: Final answer
x = 1,948,971.41
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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.