Finding the Fourth Proportional to 3,161,502.69, 4,742,266.19 and 765,343.49
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Solution
The fourth proportional to 3,161,502.69, 4,742,266.19 and 765,343.49 is: 1,148,018.17
Step by Step Solution
- Step 1: Write the proportion equation
3,161,502.69 : 4,742,266.19 = 765,343.49 : x - Step 2: Convert to fraction form
3,161,502.69/4,742,266.19 = 765,343.49/x - Step 3: Cross multiply
3,161,502.69x = 4,742,266.19 × 765,343.49 - Step 4: Simplify right side
3,161,502.69x = 3,629,462,528,825.55 - Step 5: Solve for x
x = 3,629,462,528,825.55/3,161,502.69 - Step 6: Final answer
x = 1,148,018.17
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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.