Finding the Fourth Proportional to 3,485,487.02, 4,809,991.20 and 1,957,594.28
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Solution
The fourth proportional to 3,485,487.02, 4,809,991.20 and 1,957,594.28 is: 2,701,490.84
Step by Step Solution
- Step 1: Write the proportion equation
3,485,487.02 : 4,809,991.20 = 1,957,594.28 : x - Step 2: Convert to fraction form
3,485,487.02/4,809,991.20 = 1,957,594.28/x - Step 3: Cross multiply
3,485,487.02x = 4,809,991.20 × 1,957,594.28 - Step 4: Simplify right side
3,485,487.02x = 9,416,011,259,970.34 - Step 5: Solve for x
x = 9,416,011,259,970.34/3,485,487.02 - Step 6: Final answer
x = 2,701,490.84
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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.