Finding the Fourth Proportional to 3,956,987.12, 5,902,211.81 and 3,593,725.06
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Solution
The fourth proportional to 3,956,987.12, 5,902,211.81 and 3,593,725.06 is: 5,360,372.88
Step by Step Solution
- Step 1: Write the proportion equation
3,956,987.12 : 5,902,211.81 = 3,593,725.06 : x - Step 2: Convert to fraction form
3,956,987.12/5,902,211.81 = 3,593,725.06/x - Step 3: Cross multiply
3,956,987.12x = 5,902,211.81 × 3,593,725.06 - Step 4: Simplify right side
3,956,987.12x = 21,210,926,468,408.16 - Step 5: Solve for x
x = 21,210,926,468,408.16/3,956,987.12 - Step 6: Final answer
x = 5,360,372.88
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.