Finding the Fourth Proportional to 2,976,197.58, 4,107,130.11 and 1,618,080.30
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Solution
The fourth proportional to 2,976,197.58, 4,107,130.11 and 1,618,080.30 is: 2,232,938.55
Step by Step Solution
- Step 1: Write the proportion equation
2,976,197.58 : 4,107,130.11 = 1,618,080.30 : x - Step 2: Convert to fraction form
2,976,197.58/4,107,130.11 = 1,618,080.30/x - Step 3: Cross multiply
2,976,197.58x = 4,107,130.11 × 1,618,080.30 - Step 4: Simplify right side
2,976,197.58x = 6,645,666,320,527.83 - Step 5: Solve for x
x = 6,645,666,320,527.83/2,976,197.58 - Step 6: Final answer
x = 2,232,938.55
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1.5x scale
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.