Finding the Fourth Proportional to 3,192,359.38, 4,405,548.98 and 1,742,148.23
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Solution
The fourth proportional to 3,192,359.38, 4,405,548.98 and 1,742,148.23 is: 2,404,215.32
Step by Step Solution
- Step 1: Write the proportion equation
3,192,359.38 : 4,405,548.98 = 1,742,148.23 : x - Step 2: Convert to fraction form
3,192,359.38/4,405,548.98 = 1,742,148.23/x - Step 3: Cross multiply
3,192,359.38x = 4,405,548.98 × 1,742,148.23 - Step 4: Simplify right side
3,192,359.38x = 7,675,119,326,946.82 - Step 5: Solve for x
x = 7,675,119,326,946.82/3,192,359.38 - Step 6: Final answer
x = 2,404,215.32
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1.5x scale
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.