Finding the Fourth Proportional to 2,305,230.69, 3,181,222.77 and 1,272,740.49
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Solution
The fourth proportional to 2,305,230.69, 3,181,222.77 and 1,272,740.49 is: 1,756,384.32
Step by Step Solution
- Step 1: Write the proportion equation
2,305,230.69 : 3,181,222.77 = 1,272,740.49 : x - Step 2: Convert to fraction form
2,305,230.69/3,181,222.77 = 1,272,740.49/x - Step 3: Cross multiply
2,305,230.69x = 3,181,222.77 × 1,272,740.49 - Step 4: Simplify right side
2,305,230.69x = 4,048,871,027,088.96 - Step 5: Solve for x
x = 4,048,871,027,088.96/2,305,230.69 - Step 6: Final answer
x = 1,756,384.32
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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.