Finding the Fourth Proportional to 3,685,243.97, 5,085,673.88 and 2,031,449.96
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Solution
The fourth proportional to 3,685,243.97, 5,085,673.88 and 2,031,449.96 is: 2,803,421.45
Step by Step Solution
- Step 1: Write the proportion equation
3,685,243.97 : 5,085,673.88 = 2,031,449.96 : x - Step 2: Convert to fraction form
3,685,243.97/5,085,673.88 = 2,031,449.96/x - Step 3: Cross multiply
3,685,243.97x = 5,085,673.88 × 2,031,449.96 - Step 4: Simplify right side
3,685,243.97x = 10,331,292,002,655.98 - Step 5: Solve for x
x = 10,331,292,002,655.98/3,685,243.97 - Step 6: Final answer
x = 2,803,421.45
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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.