Finding the Fourth Proportional to 3,353,967.88, 4,628,242.20 and 1,903,692.88
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Solution
The fourth proportional to 3,353,967.88, 4,628,242.20 and 1,903,692.88 is: 2,626,963.66
Step by Step Solution
- Step 1: Write the proportion equation
3,353,967.88 : 4,628,242.20 = 1,903,692.88 : x - Step 2: Convert to fraction form
3,353,967.88/4,628,242.20 = 1,903,692.88/x - Step 3: Cross multiply
3,353,967.88x = 4,628,242.20 × 1,903,692.88 - Step 4: Simplify right side
3,353,967.88x = 8,810,751,723,055.54 - Step 5: Solve for x
x = 8,810,751,723,055.54/3,353,967.88 - Step 6: Final answer
x = 2,626,963.66
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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.