Finding the Fourth Proportional to 2,387,525.70, 3,294,678.06 and 1,299,769.68
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Solution
The fourth proportional to 2,387,525.70, 3,294,678.06 and 1,299,769.68 is: 1,793,623.69
Step by Step Solution
- Step 1: Write the proportion equation
2,387,525.70 : 3,294,678.06 = 1,299,769.68 : x - Step 2: Convert to fraction form
2,387,525.70/3,294,678.06 = 1,299,769.68/x - Step 3: Cross multiply
2,387,525.70x = 3,294,678.06 × 1,299,769.68 - Step 4: Simplify right side
2,387,525.70x = 4,282,322,647,749.22 - Step 5: Solve for x
x = 4,282,322,647,749.22/2,387,525.70 - Step 6: Final answer
x = 1,793,623.69
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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.