Finding the Fourth Proportional to 1,611,611.12, 2,224,783.92 and 1,023,206.08
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Solution
The fourth proportional to 1,611,611.12, 2,224,783.92 and 1,023,206.08 is: 1,412,507.28
Step by Step Solution
- Step 1: Write the proportion equation
1,611,611.12 : 2,224,783.92 = 1,023,206.08 : x - Step 2: Convert to fraction form
1,611,611.12/2,224,783.92 = 1,023,206.08/x - Step 3: Cross multiply
1,611,611.12x = 2,224,783.92 × 1,023,206.08 - Step 4: Simplify right side
1,611,611.12x = 2,276,412,433,630.23 - Step 5: Solve for x
x = 2,276,412,433,630.23/1,611,611.12 - Step 6: Final answer
x = 1,412,507.28
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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.