Finding the Fourth Proportional to 2,309,982.03, 3,187,796.36 and 1,277,436.47
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Solution
The fourth proportional to 2,309,982.03, 3,187,796.36 and 1,277,436.47 is: 1,762,874.02
Step by Step Solution
- Step 1: Write the proportion equation
2,309,982.03 : 3,187,796.36 = 1,277,436.47 : x - Step 2: Convert to fraction form
2,309,982.03/3,187,796.36 = 1,277,436.47/x - Step 3: Cross multiply
2,309,982.03x = 3,187,796.36 × 1,277,436.47 - Step 4: Simplify right side
2,309,982.03x = 4,072,207,306,871.09 - Step 5: Solve for x
x = 4,072,207,306,871.09/2,309,982.03 - Step 6: Final answer
x = 1,762,874.02
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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.