Finding the Fourth Proportional to 1,796,326.20, 2,695,202.10 and 731,446.20
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Solution
The fourth proportional to 1,796,326.20, 2,695,202.10 and 731,446.20 is: 1,097,459.55
Step by Step Solution
- Step 1: Write the proportion equation
1,796,326.20 : 2,695,202.10 = 731,446.20 : x - Step 2: Convert to fraction form
1,796,326.20/2,695,202.10 = 731,446.20/x - Step 3: Cross multiply
1,796,326.20x = 2,695,202.10 × 731,446.20 - Step 4: Simplify right side
1,796,326.20x = 1,971,395,334,277.02 - Step 5: Solve for x
x = 1,971,395,334,277.02/1,796,326.20 - Step 6: Final answer
x = 1,097,459.55
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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.