Finding the Fourth Proportional to 4,902,021.81, 6,764,693.09 and 2,726,518.14
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Solution
The fourth proportional to 4,902,021.81, 6,764,693.09 and 2,726,518.14 is: 3,762,541.07
Step by Step Solution
- Step 1: Write the proportion equation
4,902,021.81 : 6,764,693.09 = 2,726,518.14 : x - Step 2: Convert to fraction form
4,902,021.81/6,764,693.09 = 2,726,518.14/x - Step 3: Cross multiply
4,902,021.81x = 6,764,693.09 × 2,726,518.14 - Step 4: Simplify right side
4,902,021.81x = 18,444,058,407,785.06 - Step 5: Solve for x
x = 18,444,058,407,785.06/4,902,021.81 - Step 6: Final answer
x = 3,762,541.07
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.