Finding the Fourth Proportional to 3,212,804.20, 4,433,643.56 and 1,742,709.08
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Solution
The fourth proportional to 3,212,804.20, 4,433,643.56 and 1,742,709.08 is: 2,404,924.29
Step by Step Solution
- Step 1: Write the proportion equation
3,212,804.20 : 4,433,643.56 = 1,742,709.08 : x - Step 2: Convert to fraction form
3,212,804.20/4,433,643.56 = 1,742,709.08/x - Step 3: Cross multiply
3,212,804.20x = 4,433,643.56 × 1,742,709.08 - Step 4: Simplify right side
3,212,804.20x = 7,726,550,870,194.42 - Step 5: Solve for x
x = 7,726,550,870,194.42/3,212,804.20 - Step 6: Final answer
x = 2,404,924.29
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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.