Finding the Fourth Proportional to 3,381,323.09, 5,072,762.25 and 1,106,920.85
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Solution
The fourth proportional to 3,381,323.09, 5,072,762.25 and 1,106,920.85 is: 1,660,635.84
Step by Step Solution
- Step 1: Write the proportion equation
3,381,323.09 : 5,072,762.25 = 1,106,920.85 : x - Step 2: Convert to fraction form
3,381,323.09/5,072,762.25 = 1,106,920.85/x - Step 3: Cross multiply
3,381,323.09x = 5,072,762.25 × 1,106,920.85 - Step 4: Simplify right side
3,381,323.09x = 5,615,146,301,617.91 - Step 5: Solve for x
x = 5,615,146,301,617.91/3,381,323.09 - Step 6: Final answer
x = 1,660,635.84
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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.