Finding the Fourth Proportional to 4,353,052.12, 6,529,593.36 and 1,320,444.12
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Solution
The fourth proportional to 4,353,052.12, 6,529,593.36 and 1,320,444.12 is: 1,980,670.78
Step by Step Solution
- Step 1: Write the proportion equation
4,353,052.12 : 6,529,593.36 = 1,320,444.12 : x - Step 2: Convert to fraction form
4,353,052.12/6,529,593.36 = 1,320,444.12/x - Step 3: Cross multiply
4,353,052.12x = 6,529,593.36 × 1,320,444.12 - Step 4: Simplify right side
4,353,052.12x = 8,621,963,158,203.04 - Step 5: Solve for x
x = 8,621,963,158,203.04/4,353,052.12 - Step 6: Final answer
x = 1,980,670.78
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1.5x scale
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.