Finding the Fourth Proportional to 2,407,239.12, 3,320,052.98 and 2,116,228.47
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Solution
The fourth proportional to 2,407,239.12, 3,320,052.98 and 2,116,228.47 is: 2,918,692.44
Step by Step Solution
- Step 1: Write the proportion equation
2,407,239.12 : 3,320,052.98 = 2,116,228.47 : x - Step 2: Convert to fraction form
2,407,239.12/3,320,052.98 = 2,116,228.47/x - Step 3: Cross multiply
2,407,239.12x = 3,320,052.98 × 2,116,228.47 - Step 4: Simplify right side
2,407,239.12x = 7,025,990,611,002.93 - Step 5: Solve for x
x = 7,025,990,611,002.93/2,407,239.12 - Step 6: Final answer
x = 2,918,692.44
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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.