Finding the Fourth Proportional to 3,163,171.49, 4,365,168.79 and 1,712,866.84
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Solution
The fourth proportional to 3,163,171.49, 4,365,168.79 and 1,712,866.84 is: 2,363,751.98
Step by Step Solution
- Step 1: Write the proportion equation
3,163,171.49 : 4,365,168.79 = 1,712,866.84 : x - Step 2: Convert to fraction form
3,163,171.49/4,365,168.79 = 1,712,866.84/x - Step 3: Cross multiply
3,163,171.49x = 4,365,168.79 × 1,712,866.84 - Step 4: Simplify right side
3,163,171.49x = 7,476,952,871,393.92 - Step 5: Solve for x
x = 7,476,952,871,393.92/3,163,171.49 - Step 6: Final answer
x = 2,363,751.98
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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.