Finding the Fourth Proportional to 3,769,806.80, 5,646,415.80 and 3,272,142.80
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Solution
The fourth proportional to 3,769,806.80, 5,646,415.80 and 3,272,142.80 is: 4,901,014.77
Step by Step Solution
- Step 1: Write the proportion equation
3,769,806.80 : 5,646,415.80 = 3,272,142.80 : x - Step 2: Convert to fraction form
3,769,806.80/5,646,415.80 = 3,272,142.80/x - Step 3: Cross multiply
3,769,806.80x = 5,646,415.80 × 3,272,142.80 - Step 4: Simplify right side
3,769,806.80x = 18,475,878,805,776.24 - Step 5: Solve for x
x = 18,475,878,805,776.24/3,769,806.80 - Step 6: Final answer
x = 4,901,014.77
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.