Finding the Fourth Proportional to 1,864,305.24, 2,794,686.12 and 1,188,489.84
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Solution
The fourth proportional to 1,864,305.24, 2,794,686.12 and 1,188,489.84 is: 1,781,605.28
Step by Step Solution
- Step 1: Write the proportion equation
1,864,305.24 : 2,794,686.12 = 1,188,489.84 : x - Step 2: Convert to fraction form
1,864,305.24/2,794,686.12 = 1,188,489.84/x - Step 3: Cross multiply
1,864,305.24x = 2,794,686.12 × 1,188,489.84 - Step 4: Simplify right side
1,864,305.24x = 3,321,456,059,609.02 - Step 5: Solve for x
x = 3,321,456,059,609.02/1,864,305.24 - Step 6: Final answer
x = 1,781,605.28
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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.