Finding the Fourth Proportional to 3,864,659.12, 5,797,725.08 and 1,559,335.12
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Solution
The fourth proportional to 3,864,659.12, 5,797,725.08 and 1,559,335.12 is: 2,339,299.81
Step by Step Solution
- Step 1: Write the proportion equation
3,864,659.12 : 5,797,725.08 = 1,559,335.12 : x - Step 2: Convert to fraction form
3,864,659.12/5,797,725.08 = 1,559,335.12/x - Step 3: Cross multiply
3,864,659.12x = 5,797,725.08 × 1,559,335.12 - Step 4: Simplify right side
3,864,659.12x = 9,040,596,333,348.81 - Step 5: Solve for x
x = 9,040,596,333,348.81/3,864,659.12 - Step 6: Final answer
x = 2,339,299.81
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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.