Finding the Fourth Proportional to 3,161,343.24, 4,742,014.59 and 765,187.74
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Solution
The fourth proportional to 3,161,343.24, 4,742,014.59 and 765,187.74 is: 1,147,781.54
Step by Step Solution
- Step 1: Write the proportion equation
3,161,343.24 : 4,742,014.59 = 765,187.74 : x - Step 2: Convert to fraction form
3,161,343.24/4,742,014.59 = 765,187.74/x - Step 3: Cross multiply
3,161,343.24x = 4,742,014.59 × 765,187.74 - Step 4: Simplify right side
3,161,343.24x = 3,628,531,427,169.13 - Step 5: Solve for x
x = 3,628,531,427,169.13/3,161,343.24 - Step 6: Final answer
x = 1,147,781.54
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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.