Finding the Fourth Proportional to 1,464,635.20, 2,198,248.80 and 864,846.40
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Solution
The fourth proportional to 1,464,635.20, 2,198,248.80 and 864,846.40 is: 1,298,034.87
Step by Step Solution
- Step 1: Write the proportion equation
1,464,635.20 : 2,198,248.80 = 864,846.40 : x - Step 2: Convert to fraction form
1,464,635.20/2,198,248.80 = 864,846.40/x - Step 3: Cross multiply
1,464,635.20x = 2,198,248.80 × 864,846.40 - Step 4: Simplify right side
1,464,635.20x = 1,901,147,560,984.32 - Step 5: Solve for x
x = 1,901,147,560,984.32/1,464,635.20 - Step 6: Final answer
x = 1,298,034.87
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.