Finding the Fourth Proportional to 1,368,307.40, 2,049,350.70 and 864,422.60
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Solution
The fourth proportional to 1,368,307.40, 2,049,350.70 and 864,422.60 is: 1,294,668.92
Step by Step Solution
- Step 1: Write the proportion equation
1,368,307.40 : 2,049,350.70 = 864,422.60 : x - Step 2: Convert to fraction form
1,368,307.40/2,049,350.70 = 864,422.60/x - Step 3: Cross multiply
1,368,307.40x = 2,049,350.70 × 864,422.60 - Step 4: Simplify right side
1,368,307.40x = 1,771,505,060,405.82 - Step 5: Solve for x
x = 1,771,505,060,405.82/1,368,307.40 - Step 6: Final answer
x = 1,294,668.92
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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.