Finding the Fourth Proportional to 5,936,852.12, 8,192,871.68 and 3,220,598.12
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Solution
The fourth proportional to 5,936,852.12, 8,192,871.68 and 3,220,598.12 is: 4,444,433.95
Step by Step Solution
- Step 1: Write the proportion equation
5,936,852.12 : 8,192,871.68 = 3,220,598.12 : x - Step 2: Convert to fraction form
5,936,852.12/8,192,871.68 = 3,220,598.12/x - Step 3: Cross multiply
5,936,852.12x = 8,192,871.68 × 3,220,598.12 - Step 4: Simplify right side
5,936,852.12x = 26,385,947,130,009.24 - Step 5: Solve for x
x = 26,385,947,130,009.24/5,936,852.12 - Step 6: Final answer
x = 4,444,433.95
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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.